Query expansion with a medical ontology to improve a multimodal information retrieval system.
Manuel Carlos Díaz-GalianoMaría Teresa Martín-ValdiviaLuis Alfonso Ureña LópezPublished in: Comput. Biol. Medicine (2009)
Keyphrases
- information retrieval systems
- query expansion
- retrieval effectiveness
- information retrieval
- biomedical information retrieval
- relevant documents
- relevance feedback
- text retrieval
- retrieval systems
- document collections
- retrieval model
- query expansion methods
- ad hoc retrieval
- pseudo relevance feedback
- original query
- query terms
- language modeling
- user queries
- retrieved documents
- semantic information
- expansion terms
- structured documents
- xml retrieval
- query translation
- information access
- search engine
- image retrieval
- learning algorithm