Ontology Based Query Expansion in Vertical Search Engine.
Liangjun MaLin ChenYibo GaoYiping YangPublished in: FSKD (2) (2009)
Keyphrases
- query expansion
- search engine
- information retrieval
- search logs
- ranking scheme
- information retrieval systems
- meta search
- retrieval effectiveness
- language model
- relevance feedback
- web search
- language modeling
- text retrieval
- pseudo relevance feedback
- short queries
- web search engines
- query terms
- improving search
- search queries
- retrieval systems
- user queries
- trec genomics track
- relevant documents
- biomedical information retrieval
- web pages
- keywords
- ad hoc retrieval
- retrieval model
- automatic query expansion
- query logs
- original query
- probabilistic model
- ranked retrieval
- cross lingual
- document ranking
- federated search
- question answering
- search result
- query translation
- query disambiguation