http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ExtractFeatureUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/ExtractFeatureUDF.java 
b/core/src/main/java/hivemall/ftvec/ExtractFeatureUDF.java
index 91d797f..5c9ff1e 100644
--- a/core/src/main/java/hivemall/ftvec/ExtractFeatureUDF.java
+++ b/core/src/main/java/hivemall/ftvec/ExtractFeatureUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ExtractWeightUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/ExtractWeightUDF.java 
b/core/src/main/java/hivemall/ftvec/ExtractWeightUDF.java
index ad0fcf5..01d4c01 100644
--- a/core/src/main/java/hivemall/ftvec/ExtractWeightUDF.java
+++ b/core/src/main/java/hivemall/ftvec/ExtractWeightUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/FeatureIndexUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/FeatureIndexUDF.java 
b/core/src/main/java/hivemall/ftvec/FeatureIndexUDF.java
index 4126481..9ffe6c6 100644
--- a/core/src/main/java/hivemall/ftvec/FeatureIndexUDF.java
+++ b/core/src/main/java/hivemall/ftvec/FeatureIndexUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/FeatureUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/FeatureUDF.java 
b/core/src/main/java/hivemall/ftvec/FeatureUDF.java
index b5bd036..b44459e 100644
--- a/core/src/main/java/hivemall/ftvec/FeatureUDF.java
+++ b/core/src/main/java/hivemall/ftvec/FeatureUDF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/SortByFeatureUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/SortByFeatureUDF.java 
b/core/src/main/java/hivemall/ftvec/SortByFeatureUDF.java
index 0e4abfa..7a8f750 100644
--- a/core/src/main/java/hivemall/ftvec/SortByFeatureUDF.java
+++ b/core/src/main/java/hivemall/ftvec/SortByFeatureUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/amplify/AmplifierUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/amplify/AmplifierUDTF.java 
b/core/src/main/java/hivemall/ftvec/amplify/AmplifierUDTF.java
index 8e82133..46c23ab 100644
--- a/core/src/main/java/hivemall/ftvec/amplify/AmplifierUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/amplify/AmplifierUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.amplify;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/amplify/RandomAmplifierUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/amplify/RandomAmplifierUDTF.java 
b/core/src/main/java/hivemall/ftvec/amplify/RandomAmplifierUDTF.java
index 9f1ecb9..687d69a 100644
--- a/core/src/main/java/hivemall/ftvec/amplify/RandomAmplifierUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/amplify/RandomAmplifierUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.amplify;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/binning/BuildBinsUDAF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/binning/BuildBinsUDAF.java 
b/core/src/main/java/hivemall/ftvec/binning/BuildBinsUDAF.java
index e2eada8..508d37c 100644
--- a/core/src/main/java/hivemall/ftvec/binning/BuildBinsUDAF.java
+++ b/core/src/main/java/hivemall/ftvec/binning/BuildBinsUDAF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.binning;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/binning/FeatureBinningUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/binning/FeatureBinningUDF.java 
b/core/src/main/java/hivemall/ftvec/binning/FeatureBinningUDF.java
index 570a30f..3176490 100644
--- a/core/src/main/java/hivemall/ftvec/binning/FeatureBinningUDF.java
+++ b/core/src/main/java/hivemall/ftvec/binning/FeatureBinningUDF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.binning;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/binning/NumericHistogram.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/binning/NumericHistogram.java 
b/core/src/main/java/hivemall/ftvec/binning/NumericHistogram.java
index f529562..7e9a2c1 100644
--- a/core/src/main/java/hivemall/ftvec/binning/NumericHistogram.java
+++ b/core/src/main/java/hivemall/ftvec/binning/NumericHistogram.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.binning;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/conv/ConvertToDenseModelUDAF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/conv/ConvertToDenseModelUDAF.java 
b/core/src/main/java/hivemall/ftvec/conv/ConvertToDenseModelUDAF.java
index a4a7fc4..008dd3a 100644
--- a/core/src/main/java/hivemall/ftvec/conv/ConvertToDenseModelUDAF.java
+++ b/core/src/main/java/hivemall/ftvec/conv/ConvertToDenseModelUDAF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.conv;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/conv/QuantifyColumnsUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/conv/QuantifyColumnsUDTF.java 
b/core/src/main/java/hivemall/ftvec/conv/QuantifyColumnsUDTF.java
index 94b59ee..e8214a1 100644
--- a/core/src/main/java/hivemall/ftvec/conv/QuantifyColumnsUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/conv/QuantifyColumnsUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.conv;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/conv/ToDenseFeaturesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/conv/ToDenseFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/conv/ToDenseFeaturesUDF.java
index 70b57ba..7670ce1 100644
--- a/core/src/main/java/hivemall/ftvec/conv/ToDenseFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/conv/ToDenseFeaturesUDF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.conv;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/conv/ToSparseFeaturesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/conv/ToSparseFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/conv/ToSparseFeaturesUDF.java
index 0a502b4..9bf1e69 100644
--- a/core/src/main/java/hivemall/ftvec/conv/ToSparseFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/conv/ToSparseFeaturesUDF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.conv;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/hashing/ArrayHashValuesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/hashing/ArrayHashValuesUDF.java 
b/core/src/main/java/hivemall/ftvec/hashing/ArrayHashValuesUDF.java
index 498359d..b8c0c13 100644
--- a/core/src/main/java/hivemall/ftvec/hashing/ArrayHashValuesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/hashing/ArrayHashValuesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/hashing/ArrayPrefixedHashValuesUDF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/hashing/ArrayPrefixedHashValuesUDF.java 
b/core/src/main/java/hivemall/ftvec/hashing/ArrayPrefixedHashValuesUDF.java
index 4499af6..033df8d 100644
--- a/core/src/main/java/hivemall/ftvec/hashing/ArrayPrefixedHashValuesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/hashing/ArrayPrefixedHashValuesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/hashing/FeatureHashingUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/hashing/FeatureHashingUDF.java 
b/core/src/main/java/hivemall/ftvec/hashing/FeatureHashingUDF.java
index c5f9ce0..ce6565c 100644
--- a/core/src/main/java/hivemall/ftvec/hashing/FeatureHashingUDF.java
+++ b/core/src/main/java/hivemall/ftvec/hashing/FeatureHashingUDF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/hashing/MurmurHash3UDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/hashing/MurmurHash3UDF.java 
b/core/src/main/java/hivemall/ftvec/hashing/MurmurHash3UDF.java
index 7006186..086ca34 100644
--- a/core/src/main/java/hivemall/ftvec/hashing/MurmurHash3UDF.java
+++ b/core/src/main/java/hivemall/ftvec/hashing/MurmurHash3UDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/hashing/Sha1UDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/hashing/Sha1UDF.java 
b/core/src/main/java/hivemall/ftvec/hashing/Sha1UDF.java
index 43907bb..021f462 100644
--- a/core/src/main/java/hivemall/ftvec/hashing/Sha1UDF.java
+++ b/core/src/main/java/hivemall/ftvec/hashing/Sha1UDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/pairing/PolynomialFeaturesUDF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/pairing/PolynomialFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/pairing/PolynomialFeaturesUDF.java
index ab5b1ef..742e76d 100644
--- a/core/src/main/java/hivemall/ftvec/pairing/PolynomialFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/pairing/PolynomialFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.pairing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/pairing/PoweredFeaturesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/pairing/PoweredFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/pairing/PoweredFeaturesUDF.java
index 6e0cea5..a40693a 100644
--- a/core/src/main/java/hivemall/ftvec/pairing/PoweredFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/pairing/PoweredFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.pairing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ranking/BprSamplingUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/ranking/BprSamplingUDTF.java 
b/core/src/main/java/hivemall/ftvec/ranking/BprSamplingUDTF.java
index 7d2db3f..8e84bd8 100644
--- a/core/src/main/java/hivemall/ftvec/ranking/BprSamplingUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/ranking/BprSamplingUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.ranking;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ranking/ItemPairsSamplingUDTF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/ranking/ItemPairsSamplingUDTF.java 
b/core/src/main/java/hivemall/ftvec/ranking/ItemPairsSamplingUDTF.java
index 59699ae..64ef4ba 100644
--- a/core/src/main/java/hivemall/ftvec/ranking/ItemPairsSamplingUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/ranking/ItemPairsSamplingUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.ranking;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ranking/PerEventPositiveOnlyFeedback.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/ranking/PerEventPositiveOnlyFeedback.java 
b/core/src/main/java/hivemall/ftvec/ranking/PerEventPositiveOnlyFeedback.java
index 447ab19..b5afb99 100644
--- 
a/core/src/main/java/hivemall/ftvec/ranking/PerEventPositiveOnlyFeedback.java
+++ 
b/core/src/main/java/hivemall/ftvec/ranking/PerEventPositiveOnlyFeedback.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.ranking;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ranking/PopulateNotInUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/ranking/PopulateNotInUDTF.java 
b/core/src/main/java/hivemall/ftvec/ranking/PopulateNotInUDTF.java
index efbe124..29529e1 100644
--- a/core/src/main/java/hivemall/ftvec/ranking/PopulateNotInUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/ranking/PopulateNotInUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.ranking;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/ranking/PositiveOnlyFeedback.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/ranking/PositiveOnlyFeedback.java 
b/core/src/main/java/hivemall/ftvec/ranking/PositiveOnlyFeedback.java
index 9b96af5..908a0b7 100644
--- a/core/src/main/java/hivemall/ftvec/ranking/PositiveOnlyFeedback.java
+++ b/core/src/main/java/hivemall/ftvec/ranking/PositiveOnlyFeedback.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.ranking;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/scaling/L2NormalizationUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/scaling/L2NormalizationUDF.java 
b/core/src/main/java/hivemall/ftvec/scaling/L2NormalizationUDF.java
index ffb8bd6..fe4acf7 100644
--- a/core/src/main/java/hivemall/ftvec/scaling/L2NormalizationUDF.java
+++ b/core/src/main/java/hivemall/ftvec/scaling/L2NormalizationUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.scaling;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/scaling/RescaleUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/scaling/RescaleUDF.java 
b/core/src/main/java/hivemall/ftvec/scaling/RescaleUDF.java
index a21b8a2..21a30d5 100644
--- a/core/src/main/java/hivemall/ftvec/scaling/RescaleUDF.java
+++ b/core/src/main/java/hivemall/ftvec/scaling/RescaleUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.scaling;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/scaling/ZScoreUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/scaling/ZScoreUDF.java 
b/core/src/main/java/hivemall/ftvec/scaling/ZScoreUDF.java
index 599af80..93ab7ed 100644
--- a/core/src/main/java/hivemall/ftvec/scaling/ZScoreUDF.java
+++ b/core/src/main/java/hivemall/ftvec/scaling/ZScoreUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.scaling;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/text/TermFrequencyUDAF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/text/TermFrequencyUDAF.java 
b/core/src/main/java/hivemall/ftvec/text/TermFrequencyUDAF.java
index 0477a23..95a881b 100644
--- a/core/src/main/java/hivemall/ftvec/text/TermFrequencyUDAF.java
+++ b/core/src/main/java/hivemall/ftvec/text/TermFrequencyUDAF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.text;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/BinarizeLabelUDTF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/trans/BinarizeLabelUDTF.java 
b/core/src/main/java/hivemall/ftvec/trans/BinarizeLabelUDTF.java
index f3f7a82..6f8fc0a 100644
--- a/core/src/main/java/hivemall/ftvec/trans/BinarizeLabelUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/BinarizeLabelUDTF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/CategoricalFeaturesUDF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/trans/CategoricalFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/trans/CategoricalFeaturesUDF.java
index 1838d04..98617bd 100644
--- a/core/src/main/java/hivemall/ftvec/trans/CategoricalFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/CategoricalFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/FFMFeaturesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/trans/FFMFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/trans/FFMFeaturesUDF.java
index 1a9cfae..c98ffda 100644
--- a/core/src/main/java/hivemall/ftvec/trans/FFMFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/FFMFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/IndexedFeatures.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/trans/IndexedFeatures.java 
b/core/src/main/java/hivemall/ftvec/trans/IndexedFeatures.java
index 51c92b6..eb61006 100644
--- a/core/src/main/java/hivemall/ftvec/trans/IndexedFeatures.java
+++ b/core/src/main/java/hivemall/ftvec/trans/IndexedFeatures.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/OnehotEncodingUDAF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/trans/OnehotEncodingUDAF.java 
b/core/src/main/java/hivemall/ftvec/trans/OnehotEncodingUDAF.java
index 1d01130..704a4c7 100644
--- a/core/src/main/java/hivemall/ftvec/trans/OnehotEncodingUDAF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/OnehotEncodingUDAF.java
@@ -1,19 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2016 Makoto YUI
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java 
b/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java
index 2256697..2886996 100644
--- a/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/QuantifiedFeaturesUDTF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/QuantitativeFeaturesUDF.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/ftvec/trans/QuantitativeFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/trans/QuantitativeFeaturesUDF.java
index 14ea83f..43f837f 100644
--- a/core/src/main/java/hivemall/ftvec/trans/QuantitativeFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/QuantitativeFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/ftvec/trans/VectorizeFeaturesUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/ftvec/trans/VectorizeFeaturesUDF.java 
b/core/src/main/java/hivemall/ftvec/trans/VectorizeFeaturesUDF.java
index 210b2af..48bf126 100644
--- a/core/src/main/java/hivemall/ftvec/trans/VectorizeFeaturesUDF.java
+++ b/core/src/main/java/hivemall/ftvec/trans/VectorizeFeaturesUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.ftvec.trans;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/knn/distance/AngularDistanceUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/knn/distance/AngularDistanceUDF.java 
b/core/src/main/java/hivemall/knn/distance/AngularDistanceUDF.java
index 1dc6184..c2f864f 100644
--- a/core/src/main/java/hivemall/knn/distance/AngularDistanceUDF.java
+++ b/core/src/main/java/hivemall/knn/distance/AngularDistanceUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.knn.distance;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/knn/distance/CosineDistanceUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/knn/distance/CosineDistanceUDF.java 
b/core/src/main/java/hivemall/knn/distance/CosineDistanceUDF.java
index 7305d05..8c36660 100644
--- a/core/src/main/java/hivemall/knn/distance/CosineDistanceUDF.java
+++ b/core/src/main/java/hivemall/knn/distance/CosineDistanceUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.knn.distance;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/knn/distance/EuclidDistanceUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/knn/distance/EuclidDistanceUDF.java 
b/core/src/main/java/hivemall/knn/distance/EuclidDistanceUDF.java
index fd95541..26401f6 100644
--- a/core/src/main/java/hivemall/knn/distance/EuclidDistanceUDF.java
+++ b/core/src/main/java/hivemall/knn/distance/EuclidDistanceUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.knn.distance;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/knn/distance/HammingDistanceUDF.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/knn/distance/HammingDistanceUDF.java 
b/core/src/main/java/hivemall/knn/distance/HammingDistanceUDF.java
index 1cdedc9..c420d8b 100644
--- a/core/src/main/java/hivemall/knn/distance/HammingDistanceUDF.java
+++ b/core/src/main/java/hivemall/knn/distance/HammingDistanceUDF.java
@@ -1,20 +1,20 @@
 /*
- * Hivemall: Hive scalable Machine Learning Library
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Copyright (C) 2015 Makoto YUI
- * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science 
and Technology (AIST)
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package hivemall.knn.distance;
 


Reply via email to