Keyphrases
- user preferences
- recommender systems
- collaborative filtering
- recommendation algorithms
- recommendation systems
- social networking services
- personal interests
- social connections
- virtual environment
- virtual reality
- social interaction
- social tags
- social context
- user experience
- social networks
- social recommendation
- long tail
- user feedback
- cold start problem
- user profiles
- virtual world
- item recommendation
- personal preferences
- collaborative recommendation
- user modeling
- social communities
- online dating
- browsing behavior
- behavioral patterns
- information overload
- online communities
- user interaction
- user ratings
- social networking websites
- web page recommendation
- social annotations
- social activities
- content based filtering
- product recommendation
- personalized recommendation
- user model
- user interface