Comparing Pre-filtering and Post-filtering Approach in a Collaborative Contextual Recommender System: An Application to E-Commerce.
Umberto PannielloMichele GorgoglioneCosimo PalmisanoPublished in: EC-Web (2009)
Keyphrases
- pre filtering
- recommender systems
- product recommendation
- information filtering
- collaborative filtering
- contextual information
- collaborative learning
- electronic commerce
- user profiles
- user preferences
- user model
- multi user
- user modeling
- recommendation quality
- matrix factorization
- user interests
- information overload
- implicit feedback
- cold start problem
- geographically dispersed
- data sets