Exploiting Structure and Content of Wikipedia for Query Expansion in the Context.
Surya GaneshVasudeva VarmaPublished in: RANLP (2009)
Keyphrases
- query expansion
- information retrieval systems
- pseudo relevance feedback
- relevance feedback
- retrieval effectiveness
- information retrieval
- language model
- language modeling
- relevant documents
- improving search
- query disambiguation
- text retrieval
- trec genomics track
- biomedical information retrieval
- query terms
- relevance model
- automatic query expansion
- document collections
- query expansion methods
- multimedia
- ad hoc retrieval
- interactive query expansion
- test collection
- document representation
- semantic information
- retrieved documents
- initial query
- text classification
- active learning