Query Expansion based on Conceptual and Contextual Term Relationships in Wikipedia.
Andias Wira-AlamFarag SaadPeter MutschkePublished in: ISI (2013)
Keyphrases
- query expansion
- latent semantic
- expansion terms
- query terms
- web corpora
- information retrieval systems
- term selection
- pseudo relevance feedback
- retrieval effectiveness
- information retrieval
- relevance feedback
- probabilistic retrieval model
- language modeling
- relevance model
- related concepts
- language model
- text retrieval
- relevant documents
- improving search
- retrieval model
- language modeling framework
- automatic query expansion
- initial query
- document collections
- ad hoc retrieval
- document representation
- original query
- query translation
- wordnet
- query disambiguation
- pseudo feedback
- document retrieval
- ranked retrieval
- term frequency
- biomedical information retrieval
- information extraction