Details
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Wish
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Status: Closed
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Major
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Resolution: Fixed
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0.8
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None
Description
org.apache.mahout.cf.taste.hadoop.als.ParallelALSFactorizationJob uses integer as userId and itemId,but org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityJob and org.apache.mahout.cf.taste.hadoop.item.RecommenderJob .use Long as userId and ItemId.
It's best that ParallelALSFactorizationJob also uses Long as userId and itemId ,so that same dataset can use all the recommendation arithrmetic