Github user jaxony commented on a diff in the pull request:
https://github.com/apache/incubator-hivemall/pull/167#discussion_r226817004
--- Diff: core/src/main/java/hivemall/mf/CofactorizationUDTF.java ---
@@ -0,0 +1,584 @@
+/*
+ * Licensed to the Apache Software Foundation
Github user jaxony commented on a diff in the pull request:
https://github.com/apache/incubator-hivemall/pull/167#discussion_r226581872
--- Diff: core/src/main/java/hivemall/fm/Feature.java ---
@@ -383,4 +383,10 @@ public static void l2normalize(@Nonnull final
Feature[] features
GitHub user jaxony opened a pull request:
https://github.com/apache/incubator-hivemall/pull/167
[HIVEMALL-220] Implement Cofactor
## What changes were proposed in this pull request?
Implemented new matrix factorization algorithm for the recommendation
problem
GitHub user jaxony opened a pull request:
https://github.com/apache/incubator-hivemall/pull/163
[HIVEMALL-196] Support BM25 scoring
## What changes were proposed in this pull request?
Adding scoring function Okapi BM25 as a UDF
## What type of PR
