Query Expansion Based on Clustered Results
Ziyang LiuSivaramakrishnan NatarajanYi ChenPublished in: CoRR (2011)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- pseudo relevance feedback
- language model
- text retrieval
- language modeling
- relevant documents
- ad hoc retrieval
- relevance feedback
- original query
- improving search
- retrieval model
- automatic query expansion
- model for information retrieval
- biomedical information retrieval
- query disambiguation
- learning algorithm
- retrieved documents
- short queries
- biomedical text
- sentence retrieval
- ranking scheme
- pseudo feedback
- query expansion methods
- web corpora
- question answering
- probabilistic model
- trec genomics track