ankane / vowpalwabbit-ruby

Fast online machine learning for Ruby

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Can this library be used for recommending similar users?

vitobotta opened this issue · comments

I am reading a bit but am still confused. I am wondering if it can do what for example Disco and Cmfrec can do with recommendations and whether it would be better or worse. Thanks in advance for any advice

Hey @vitobotta, I haven't tried it for this, but Vowpal Wabbit does support matrix factorization (at least for explicit feedback), so you could use it to generate user factors and then use cosine distance to get similar users.

I see, thanks!