Improving the retrieval effectiveness of very short queries.
Carolyn J. CrouchDonald B. CrouchQingyan ChenSteven J. HoltzPublished in: Inf. Process. Manag. (2002)
Keyphrases
- retrieval effectiveness
- short queries
- query expansion
- pseudo relevance feedback
- test collection
- information retrieval systems
- information retrieval
- retrieval model
- average precision
- query terms
- retrieved documents
- sentence retrieval
- relevant documents
- relevance feedback
- search engine
- structured queries
- relevance model
- passage retrieval
- text retrieval
- co occurrence