An ontology-based approach of query expansion.
Thanh Chanh NguyenTuoi Thi PhanPublished in: iiWAS (2007)
Keyphrases
- learning algorithm
- query expansion
- information retrieval systems
- retrieval effectiveness
- language model
- information retrieval
- pseudo relevance feedback
- language modeling
- relevance feedback
- text retrieval
- automatic query expansion
- machine learning
- ad hoc retrieval
- relevant documents
- trec genomics track
- retrieval model
- query expansion methods
- original query
- improving search
- model for information retrieval
- web corpora
- query terms
- relevance model
- document ranking
- search engine
- query disambiguation
- initial query
- term selection
- query translation
- biomedical information retrieval