Query expansion based on ontology for Vietnamese query.
Tuan Anh TranPhan Thi TuoiNguyen Chanh ThanhPublished in: iiWAS (2012)
Keyphrases
- query expansion
- original query
- information retrieval systems
- relevance feedback
- query terms
- language model
- information retrieval
- retrieval effectiveness
- ad hoc retrieval
- text retrieval
- language modeling
- automatic query expansion
- pseudo relevance feedback
- relevant documents
- improving search
- document ranking
- initial query
- vocabulary mismatch
- expansion terms
- query specific
- term selection
- short queries
- retrieval model
- retrieved documents
- personalized web search
- query expansion methods
- data sources
- query disambiguation
- pseudo feedback
- biomedical information retrieval
- relevance model
- sentence retrieval
- search logs
- interactive query expansion
- retrieval systems
- probabilistic model
- image retrieval
- training set