Do people still do matrix factorization for recommendation and ranking?
I remember Netflix used to do that Is that tech consider old now? What are some new tech for recommendation and ranking?
New
commenting Feb 9Recs should always go to the company paying the most for that ranking. Easy algo.
Google Zezima4 Feb 9
No, and no one ever did that lol. Just like the myth about PageRank being done with matrix multiplication. That shit is so impractical and hard to maintain and deal with serializing matrices.
New
mBgY42 Feb 10So they basically just use KNN for their collaborative filtering?
Netflix never inplemented it. It won the netflix competition thats all