Keyphrases
- query expansion
- artificially generated
- information retrieval systems
- language model
- information retrieval
- retrieval effectiveness
- language modeling
- real world
- text retrieval
- pseudo relevance feedback
- automatic query expansion
- relevance feedback
- ad hoc retrieval
- relevant documents
- retrieval model
- query translation
- improving search
- original query
- query specific
- interactive query expansion
- query disambiguation
- text segmentation
- trec genomics track
- retrieved documents
- digital libraries
- image retrieval
- bayesian networks
- query terms
- initial query
- text documents
- question answering
- ranked retrieval
- document collections