Keyphrases
- user modeling
- ims learning design
- user model
- adaptive hypermedia
- user profiles
- recommender systems
- recommendation systems
- adaptive systems
- user interface
- semi supervised
- adaptive web systems
- information retrieval
- web search
- user interests
- graph model
- data sets
- general purpose
- information filtering
- collaborative filtering
- relevance feedback
- feature selection
- machine learning