Subject Knowledge, Thesaurus-assisted Query Expansion and Search Success.
Anne SihvonenPertti VakkariPublished in: RIAO (2004)
Keyphrases
- query expansion
- information retrieval systems
- improving search
- original query
- retrieval effectiveness
- automatic query expansion
- ranked retrieval
- information retrieval
- language model
- query expansion methods
- language modeling
- personalized web search
- ranking scheme
- query specific
- interactive query expansion
- relevant documents
- initial query
- vocabulary mismatch
- user queries
- text retrieval
- retrieval model
- relevance feedback
- document ranking
- search terms
- information seeking
- search queries
- document level
- query terms
- short queries
- latent semantic
- pseudo relevance feedback
- query disambiguation
- bayesian networks
- expansion terms
- ad hoc retrieval
- retrieved documents
- information extraction
- probabilistic model
- keywords