http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/collections/LRUMap.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/collections/LRUMap.java 
b/core/src/main/java/hivemall/utils/collections/LRUMap.java
index 9e9cdde..bfae4d7 100644
--- a/core/src/main/java/hivemall/utils/collections/LRUMap.java
+++ b/core/src/main/java/hivemall/utils/collections/LRUMap.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.utils.collections;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/collections/OpenHashMap.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/collections/OpenHashMap.java 
b/core/src/main/java/hivemall/utils/collections/OpenHashMap.java
index 1d9d608..b1f5765 100644
--- a/core/src/main/java/hivemall/utils/collections/OpenHashMap.java
+++ b/core/src/main/java/hivemall/utils/collections/OpenHashMap.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.
  */
 //
 //   Copyright (C) 2010 catchpole.net

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/collections/OpenHashTable.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/collections/OpenHashTable.java 
b/core/src/main/java/hivemall/utils/collections/OpenHashTable.java
index 4ea83c4..1a3dff7 100644
--- a/core/src/main/java/hivemall/utils/collections/OpenHashTable.java
+++ b/core/src/main/java/hivemall/utils/collections/OpenHashTable.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.utils.collections;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/collections/RingBuffer.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/collections/RingBuffer.java 
b/core/src/main/java/hivemall/utils/collections/RingBuffer.java
index cab50e4..ff77e71 100644
--- a/core/src/main/java/hivemall/utils/collections/RingBuffer.java
+++ b/core/src/main/java/hivemall/utils/collections/RingBuffer.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.utils.collections;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/collections/SparseIntArray.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/collections/SparseIntArray.java 
b/core/src/main/java/hivemall/utils/collections/SparseIntArray.java
index ef84451..2c60258 100644
--- a/core/src/main/java/hivemall/utils/collections/SparseIntArray.java
+++ b/core/src/main/java/hivemall/utils/collections/SparseIntArray.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.utils.collections;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/concurrent/ExecutorFactory.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/concurrent/ExecutorFactory.java 
b/core/src/main/java/hivemall/utils/concurrent/ExecutorFactory.java
index 2a4e142..6d6b33b 100644
--- a/core/src/main/java/hivemall/utils/concurrent/ExecutorFactory.java
+++ b/core/src/main/java/hivemall/utils/concurrent/ExecutorFactory.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.utils.concurrent;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/concurrent/NamedThreadFactory.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/utils/concurrent/NamedThreadFactory.java 
b/core/src/main/java/hivemall/utils/concurrent/NamedThreadFactory.java
index 470d092..5676699 100644
--- a/core/src/main/java/hivemall/utils/concurrent/NamedThreadFactory.java
+++ b/core/src/main/java/hivemall/utils/concurrent/NamedThreadFactory.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.utils.concurrent;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/datetime/DateTimeFormatter.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/datetime/DateTimeFormatter.java 
b/core/src/main/java/hivemall/utils/datetime/DateTimeFormatter.java
index 0fdb1bf..cf05ce1 100644
--- a/core/src/main/java/hivemall/utils/datetime/DateTimeFormatter.java
+++ b/core/src/main/java/hivemall/utils/datetime/DateTimeFormatter.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.utils.datetime;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/datetime/StopWatch.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/datetime/StopWatch.java 
b/core/src/main/java/hivemall/utils/datetime/StopWatch.java
index 40fb9c9..ce0c011 100644
--- a/core/src/main/java/hivemall/utils/datetime/StopWatch.java
+++ b/core/src/main/java/hivemall/utils/datetime/StopWatch.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.utils.datetime;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hadoop/HadoopUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hadoop/HadoopUtils.java 
b/core/src/main/java/hivemall/utils/hadoop/HadoopUtils.java
index 76f91fd..10a17dc 100644
--- a/core/src/main/java/hivemall/utils/hadoop/HadoopUtils.java
+++ b/core/src/main/java/hivemall/utils/hadoop/HadoopUtils.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.utils.hadoop;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hadoop/HiveUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hadoop/HiveUtils.java 
b/core/src/main/java/hivemall/utils/hadoop/HiveUtils.java
index 63c3c8e..d8b1aef 100644
--- a/core/src/main/java/hivemall/utils/hadoop/HiveUtils.java
+++ b/core/src/main/java/hivemall/utils/hadoop/HiveUtils.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.utils.hadoop;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hadoop/Text2.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hadoop/Text2.java 
b/core/src/main/java/hivemall/utils/hadoop/Text2.java
index 1261c77..efff276 100644
--- a/core/src/main/java/hivemall/utils/hadoop/Text2.java
+++ b/core/src/main/java/hivemall/utils/hadoop/Text2.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.utils.hadoop;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hadoop/Text3.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hadoop/Text3.java 
b/core/src/main/java/hivemall/utils/hadoop/Text3.java
index d4f3702..bce583e 100644
--- a/core/src/main/java/hivemall/utils/hadoop/Text3.java
+++ b/core/src/main/java/hivemall/utils/hadoop/Text3.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.utils.hadoop;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hadoop/WritableUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hadoop/WritableUtils.java 
b/core/src/main/java/hivemall/utils/hadoop/WritableUtils.java
index c92f6ce..a4f2691 100644
--- a/core/src/main/java/hivemall/utils/hadoop/WritableUtils.java
+++ b/core/src/main/java/hivemall/utils/hadoop/WritableUtils.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.utils.hadoop;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hashing/HashFunction.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hashing/HashFunction.java 
b/core/src/main/java/hivemall/utils/hashing/HashFunction.java
index 8250def..eb44915 100644
--- a/core/src/main/java/hivemall/utils/hashing/HashFunction.java
+++ b/core/src/main/java/hivemall/utils/hashing/HashFunction.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.utils.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hashing/HashFunctionFactory.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hashing/HashFunctionFactory.java 
b/core/src/main/java/hivemall/utils/hashing/HashFunctionFactory.java
index fe7c0d2..bc4339f 100644
--- a/core/src/main/java/hivemall/utils/hashing/HashFunctionFactory.java
+++ b/core/src/main/java/hivemall/utils/hashing/HashFunctionFactory.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.utils.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hashing/MurmurHash3.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hashing/MurmurHash3.java 
b/core/src/main/java/hivemall/utils/hashing/MurmurHash3.java
index 702c4fd..4819deb 100644
--- a/core/src/main/java/hivemall/utils/hashing/MurmurHash3.java
+++ b/core/src/main/java/hivemall/utils/hashing/MurmurHash3.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.utils.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/hashing/MurmurHash3Function.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/hashing/MurmurHash3Function.java 
b/core/src/main/java/hivemall/utils/hashing/MurmurHash3Function.java
index aa5c826..e0923ef 100644
--- a/core/src/main/java/hivemall/utils/hashing/MurmurHash3Function.java
+++ b/core/src/main/java/hivemall/utils/hashing/MurmurHash3Function.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.utils.hashing;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/ASCII85InputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/ASCII85InputStream.java 
b/core/src/main/java/hivemall/utils/io/ASCII85InputStream.java
index 49a5f53..bc0ca16 100644
--- a/core/src/main/java/hivemall/utils/io/ASCII85InputStream.java
+++ b/core/src/main/java/hivemall/utils/io/ASCII85InputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/ASCII85OutputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/ASCII85OutputStream.java 
b/core/src/main/java/hivemall/utils/io/ASCII85OutputStream.java
index bc2ac9c..fc7d440 100644
--- a/core/src/main/java/hivemall/utils/io/ASCII85OutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/ASCII85OutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/Base91InputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/Base91InputStream.java 
b/core/src/main/java/hivemall/utils/io/Base91InputStream.java
index 1fcb3be..9ff78b3 100644
--- a/core/src/main/java/hivemall/utils/io/Base91InputStream.java
+++ b/core/src/main/java/hivemall/utils/io/Base91InputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/Base91OutputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/Base91OutputStream.java 
b/core/src/main/java/hivemall/utils/io/Base91OutputStream.java
index 0f29b59..71f9459 100644
--- a/core/src/main/java/hivemall/utils/io/Base91OutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/Base91OutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/CompressionStreamFactory.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/CompressionStreamFactory.java 
b/core/src/main/java/hivemall/utils/io/CompressionStreamFactory.java
index 7d8f7af..2127e7f 100644
--- a/core/src/main/java/hivemall/utils/io/CompressionStreamFactory.java
+++ b/core/src/main/java/hivemall/utils/io/CompressionStreamFactory.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/DeflaterOutputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/DeflaterOutputStream.java 
b/core/src/main/java/hivemall/utils/io/DeflaterOutputStream.java
index b31d5eb..b4cc1e2 100644
--- a/core/src/main/java/hivemall/utils/io/DeflaterOutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/DeflaterOutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FastByteArrayInputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/FastByteArrayInputStream.java 
b/core/src/main/java/hivemall/utils/io/FastByteArrayInputStream.java
index 76dacab..d141abf 100644
--- a/core/src/main/java/hivemall/utils/io/FastByteArrayInputStream.java
+++ b/core/src/main/java/hivemall/utils/io/FastByteArrayInputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FastByteArrayOutputStream.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/utils/io/FastByteArrayOutputStream.java 
b/core/src/main/java/hivemall/utils/io/FastByteArrayOutputStream.java
index 591d83a..03cd9a5 100644
--- a/core/src/main/java/hivemall/utils/io/FastByteArrayOutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/FastByteArrayOutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FastMultiByteArrayOutputStream.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/utils/io/FastMultiByteArrayOutputStream.java 
b/core/src/main/java/hivemall/utils/io/FastMultiByteArrayOutputStream.java
index 9c7965f..6685774 100644
--- a/core/src/main/java/hivemall/utils/io/FastMultiByteArrayOutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/FastMultiByteArrayOutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FileUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/FileUtils.java 
b/core/src/main/java/hivemall/utils/io/FileUtils.java
index 4e5bb99..a6b2e35 100644
--- a/core/src/main/java/hivemall/utils/io/FileUtils.java
+++ b/core/src/main/java/hivemall/utils/io/FileUtils.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FinishableOutputStream.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/FinishableOutputStream.java 
b/core/src/main/java/hivemall/utils/io/FinishableOutputStream.java
index fef288e..e921167 100644
--- a/core/src/main/java/hivemall/utils/io/FinishableOutputStream.java
+++ b/core/src/main/java/hivemall/utils/io/FinishableOutputStream.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/FinishableOutputStreamAdapter.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/hivemall/utils/io/FinishableOutputStreamAdapter.java 
b/core/src/main/java/hivemall/utils/io/FinishableOutputStreamAdapter.java
index 19b866e..400294d 100644
--- a/core/src/main/java/hivemall/utils/io/FinishableOutputStreamAdapter.java
+++ b/core/src/main/java/hivemall/utils/io/FinishableOutputStreamAdapter.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/IOUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/IOUtils.java 
b/core/src/main/java/hivemall/utils/io/IOUtils.java
index 1802dfc..919fe17 100644
--- a/core/src/main/java/hivemall/utils/io/IOUtils.java
+++ b/core/src/main/java/hivemall/utils/io/IOUtils.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/NIOUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/NIOUtils.java 
b/core/src/main/java/hivemall/utils/io/NIOUtils.java
index 71c3505..acd1783 100644
--- a/core/src/main/java/hivemall/utils/io/NIOUtils.java
+++ b/core/src/main/java/hivemall/utils/io/NIOUtils.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/NioFixedSegment.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/NioFixedSegment.java 
b/core/src/main/java/hivemall/utils/io/NioFixedSegment.java
index 21eb1e1..34c16ae 100644
--- a/core/src/main/java/hivemall/utils/io/NioFixedSegment.java
+++ b/core/src/main/java/hivemall/utils/io/NioFixedSegment.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/NioSegment.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/NioSegment.java 
b/core/src/main/java/hivemall/utils/io/NioSegment.java
index 018dfdf..59bd514 100644
--- a/core/src/main/java/hivemall/utils/io/NioSegment.java
+++ b/core/src/main/java/hivemall/utils/io/NioSegment.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/NioStatefullSegment.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/NioStatefullSegment.java 
b/core/src/main/java/hivemall/utils/io/NioStatefullSegment.java
index 25bcf06..5074dca 100644
--- a/core/src/main/java/hivemall/utils/io/NioStatefullSegment.java
+++ b/core/src/main/java/hivemall/utils/io/NioStatefullSegment.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/io/Segments.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/io/Segments.java 
b/core/src/main/java/hivemall/utils/io/Segments.java
index 62fb648..bee7b1c 100644
--- a/core/src/main/java/hivemall/utils/io/Segments.java
+++ b/core/src/main/java/hivemall/utils/io/Segments.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.utils.io;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/ArrayUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/ArrayUtils.java 
b/core/src/main/java/hivemall/utils/lang/ArrayUtils.java
index 5de1155..521dcbd 100644
--- a/core/src/main/java/hivemall/utils/lang/ArrayUtils.java
+++ b/core/src/main/java/hivemall/utils/lang/ArrayUtils.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.utils.lang;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/BitUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/BitUtils.java 
b/core/src/main/java/hivemall/utils/lang/BitUtils.java
index f6f2af8..5f4235e 100644
--- a/core/src/main/java/hivemall/utils/lang/BitUtils.java
+++ b/core/src/main/java/hivemall/utils/lang/BitUtils.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.utils.lang;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/CommandLineUtils.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/CommandLineUtils.java 
b/core/src/main/java/hivemall/utils/lang/CommandLineUtils.java
index c6a0772..61e844e 100644
--- a/core/src/main/java/hivemall/utils/lang/CommandLineUtils.java
+++ b/core/src/main/java/hivemall/utils/lang/CommandLineUtils.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.utils.lang;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/Copyable.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/Copyable.java 
b/core/src/main/java/hivemall/utils/lang/Copyable.java
index a5b044d..827a2ca 100644
--- a/core/src/main/java/hivemall/utils/lang/Copyable.java
+++ b/core/src/main/java/hivemall/utils/lang/Copyable.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.utils.lang;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/Counter.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/Counter.java 
b/core/src/main/java/hivemall/utils/lang/Counter.java
index b864ccd..76e8b9b 100644
--- a/core/src/main/java/hivemall/utils/lang/Counter.java
+++ b/core/src/main/java/hivemall/utils/lang/Counter.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.utils.lang;
 

http://git-wip-us.apache.org/repos/asf/incubator-hivemall/blob/d806bf45/core/src/main/java/hivemall/utils/lang/FloatAccumulator.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/hivemall/utils/lang/FloatAccumulator.java 
b/core/src/main/java/hivemall/utils/lang/FloatAccumulator.java
index 8e3d8a6..6a48c01 100644
--- a/core/src/main/java/hivemall/utils/lang/FloatAccumulator.java
+++ b/core/src/main/java/hivemall/utils/lang/FloatAccumulator.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.utils.lang;
 


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