Speeding up the Xbox recommender system using a euclidean transformation for inner-product spaces.
Yoram BachrachYehuda FinkelsteinRan Gilad-BachrachLiran KatzirNoam KoenigsteinNir NiceUlrich PaquetPublished in: RecSys (2014)
Keyphrases
- recommender systems
- collaborative filtering
- hilbert space
- euclidean space
- information filtering
- user preferences
- linear transformation
- information overload
- half spaces
- user modeling
- euclidean distance
- vector space
- recommendation systems
- key features
- weight vector
- implicit feedback
- user profiles
- cold start problem
- product recommendation
- multiscale