How Effective Is Query Expansion for Finding Novel Information?
Min ZhangChuan LinShaoping MaPublished in: IJCNLP (2004)
Keyphrases
- query expansion
- text retrieval
- information retrieval
- relevance feedback
- information retrieval systems
- retrieval effectiveness
- pseudo relevance feedback
- automatic query expansion
- information access
- feature selection
- bayesian networks
- digital libraries
- information extraction
- language modeling
- relevance model
- vocabulary mismatch