Modelling the Usefulness of Document Collections for Query Expansion in Patient Search.
Nut LimsopathamCraig MacdonaldIadh OunisPublished in: CIKM (2015)
Keyphrases
- query expansion
- document collections
- information retrieval systems
- information retrieval
- text retrieval
- relevant documents
- ad hoc retrieval
- document retrieval
- search queries
- user queries
- original query
- automatic query expansion
- ranked retrieval
- retrieval effectiveness
- improving search
- query terms
- pseudo relevance feedback
- test collection
- interactive query expansion
- information access
- query expansion methods
- relevance ranking
- data collections
- language modeling
- result set
- language model
- retrieval model
- initial query
- query specific
- document representation
- relevance feedback
- document clustering
- document ranking
- federated search
- retrieved documents
- short queries
- document level
- digital libraries
- passage retrieval
- cross language
- document set
- machine learning
- text categorization
- retrieval systems
- text mining
- query suggestion