Keyphrases
- user feedback
- ranking algorithm
- tag recommendation
- web search
- collaborative filtering
- recommender systems
- learning to rank
- user preferences
- recommendation systems
- trust propagation
- location based social networks
- ranking functions
- rating prediction
- implicit feedback
- data sets
- online social
- social networking websites
- rank aggregation
- personalized recommendation
- web search engines
- web pages
- neural network