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How to calculate the similarity of movies in Spark MLlib for recommendation

Contributor

Thanks.

How to calculate the similarity of the movies in Spark MLlib, like mahout's org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilityJob?

Xuesong
1 ACCEPTED SOLUTION

Accepted Solutions

Master Collaborator

There is no equivalent; Spark MLlib has just the bare bones of model building algorithms. You would write it yourself. It would not be too much Spark code to write though. Although calculating all-pairs is always potentially too huge to contemplate.

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Master Collaborator

There is no equivalent; Spark MLlib has just the bare bones of model building algorithms. You would write it yourself. It would not be too much Spark code to write though. Although calculating all-pairs is always potentially too huge to contemplate.

View solution in original post

Contributor

Thanks maestro.

Xuesong