Using UMLS-based Re-Weighting Terms as a Query Expansion Strategy.
Weizhong ZhuXuheng XuXiaohua HuIl-Yeol SongRobert B. AllenPublished in: GrC (2006)
Keyphrases
- query expansion
- query terms
- expansion terms
- automatic query expansion
- term selection
- information retrieval systems
- original query
- retrieval effectiveness
- trec genomics track
- pseudo relevance feedback
- query expansion methods
- text retrieval
- language modeling
- language model
- relevance feedback
- improving search
- relevance model
- information retrieval
- initial query
- vocabulary mismatch
- interactive query expansion
- relevant documents
- ad hoc retrieval
- probabilistic retrieval model
- retrieval model
- term weighting
- query specific
- ranked retrieval
- short queries
- term frequency
- semantic similarity
- test collection
- query disambiguation
- document collections
- text categorization