Hierarchical Location and Topic Based Query Expansion.
Shu HuangQiankun ZhaoPrasenjit MitraC. Lee GilesPublished in: AAAI (2008)
Keyphrases
- ranked list
- query expansion
- relevant documents
- document set
- retrieval effectiveness
- retrieved documents
- information retrieval systems
- query disambiguation
- information retrieval
- pseudo relevance feedback
- relevance feedback
- language modeling
- document retrieval
- document level
- language model
- retrieval model
- text retrieval
- test collection
- ad hoc retrieval
- automatic query expansion
- document ranking
- ranked retrieval
- original query
- query topic
- interactive query expansion
- biomedical information retrieval
- improving search
- topic models
- trec genomics track
- expert finding
- query expansion methods