Using rating matrix compression techniques to speed up collaborative recommendations.
Vreixo FormosoDiego FernándezFidel CachedaVictor CarneiroPublished in: Inf. Retr. (2013)
Keyphrases
- recommender systems
- rating matrix
- collaborative filtering
- image compression
- compression algorithm
- data compression
- compression ratio
- collaborative learning
- collaborative recommender systems
- compression scheme
- user preferences
- computer supported collaborative learning
- knowledge sharing
- data mining
- image quality
- domain specific
- semi supervised
- learning environment
- data structure
- multi user
- recommendation systems
- lossless compression
- geographically dispersed
- face recognition
- information retrieval