Query expansion using UMLS Tools for health information retrieval.
Kun LuXiangming MuPublished in: ASIST (2009)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- language modeling
- relevant documents
- language model
- retrieval model
- text retrieval
- relevance feedback
- automatic query expansion
- ad hoc retrieval
- query terms
- pseudo relevance feedback
- biomedical information retrieval
- improving search
- original query
- term selection
- query expansion methods
- model for information retrieval
- probabilistic retrieval model
- patent retrieval
- document ranking
- semantic network
- text mining
- passage retrieval
- retrieved documents
- query translation
- vocabulary mismatch
- document retrieval
- question answering