Task-Specific Query Expansion (MultiText Experiments for TREC 2003).
David L. YeungCharles L. A. ClarkeGordon V. CormackThomas R. LynamEgidio L. TerraPublished in: TREC (2003)
Keyphrases
- query expansion
- pseudo relevance feedback
- retrieval effectiveness
- biomedical information retrieval
- ad hoc retrieval
- information retrieval
- short queries
- interactive query expansion
- relevance feedback
- information retrieval systems
- probabilistic retrieval model
- language model
- language modeling
- test collection
- relevant documents
- text retrieval
- automatic query expansion
- retrieved documents
- retrieval model
- relevance judgments
- document ranking
- trec collections
- query terms
- document level
- average precision
- relevance model
- expert search
- document retrieval
- improving search
- ranked retrieval
- question answering
- original query
- term frequency
- query difficulty
- improve retrieval effectiveness
- query disambiguation
- machine learning