Keyphrases
- user modeling
- user model
- ims learning design
- user profiles
- adaptive systems
- recommender systems
- adaptive hypermedia
- recommendation systems
- adaptive web systems
- information filtering
- lessons learned
- information retrieval
- user interface
- collaborative filtering
- general purpose
- machine learning
- real world
- domain independent
- key issues
- relevance feedback
- personalized search
- data mining