BUPT at TREC 2009: Entity Track.
Zhanyi WangDong-xin LiuWeiran XuGuang ChenJun GuoPublished in: TREC (2009)
Keyphrases
- test collection
- information retrieval
- retrieval effectiveness
- question answering
- clef ip
- expert search
- named entities
- entity identification
- pseudo relevance feedback
- knowledge base
- entity ranking
- language model
- relevance feedback
- relevance judgments
- data mining
- active learning
- natural language
- ad hoc retrieval
- website
- search engine
- trec web
- blog opinion retrieval