The Impact of Query Structure and Query Expansion on Retrieval Performance.
Jaana KekäläinenKalervo JärvelinPublished in: SIGIR (1998)
Keyphrases
- query expansion
- original query
- relevance feedback
- information retrieval systems
- retrieval effectiveness
- retrieval model
- information retrieval
- ad hoc retrieval
- pseudo relevance feedback
- automatic query expansion
- query specific
- language model
- query terms
- language modeling
- expansion terms
- ranked retrieval
- meta search
- trec genomics track
- text retrieval
- document ranking
- query generation
- relevant documents
- interactive query expansion
- initial query
- term selection
- improving search
- retrieval accuracy
- pseudo feedback
- query expansion methods
- probabilistic retrieval model
- term mismatch
- ranking scheme
- relevance model
- vocabulary mismatch
- sentence retrieval
- text based image retrieval
- federated search
- retrieval framework
- query disambiguation
- retrieved documents
- retrieval systems