Building a topic hierarchy from a data stream for conceptualizing user interest profiles.
Hyun NamgoongKang Yong LeeKee-Seong ChoJinuk JungHong-Gee KimPublished in: ICTC (2012)
Keyphrases
- user interests
- user profiles
- data streams
- topic hierarchy
- user behavior
- sliding window
- change detection
- recommender systems
- collaborative filtering
- automatically created
- user preferences
- user generated
- personalized recommendation
- user feedback
- general purpose
- transactional data
- concept drift
- outlier detection
- user model
- information retrieval
- web content
- data distribution
- relevance feedback
- expert systems
- natural language
- search engine