Ontology Graph Based Query Expansion for Biomedical Information Retrieval.
Liang DongPradip K. SrimaniJames Z. WangPublished in: BIBM (2011)
Keyphrases
- biomedical information retrieval
- query expansion
- information retrieval systems
- retrieval effectiveness
- biomedical text
- relevance feedback
- knowledge representation
- language model
- information retrieval
- domain ontology
- domain knowledge
- text retrieval
- pseudo relevance feedback
- knowledge base
- semantic information
- semantic network
- relevant documents
- biomedical literature
- ad hoc retrieval
- text categorization
- feature space
- retrieval model
- similarity measure
- automatic extraction
- semantic relationships
- learning algorithm