Questioning Query Expansion: An Examination of Behaviour and Parameters.
Bodo BillerbeckJustin ZobelPublished in: ADC (2004)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- language model
- pseudo relevance feedback
- text retrieval
- relevant documents
- information retrieval
- improving search
- language modeling
- query terms
- biomedical information retrieval
- relevance feedback
- trec genomics track
- automatic query expansion
- retrieval model
- ad hoc retrieval
- query disambiguation
- query specific
- vocabulary mismatch
- retrieved documents
- original query
- ranking scheme
- short queries
- relevance model
- model for information retrieval
- web corpora