Improving Information Retrieval in MEDLINE by Modulating MeSH Term Weights.
Kwangcheol ShinSang-Yong HanPublished in: NLDB (2004)
Keyphrases
- term weights
- information retrieval
- term weighting
- tf idf
- retrieval effectiveness
- vector space model
- national library of medicine
- retrieval model
- term weighting schemes
- ranking functions
- context sensitive
- text mining
- document collections
- term frequency
- co occurrence
- latent semantic indexing
- query terms
- index terms
- weighting schemes
- test collection
- vector space
- query expansion
- text categorization
- document retrieval
- search engine
- language modeling
- information retrieval systems
- text retrieval
- retrieval systems
- weighting scheme
- text documents
- question answering
- user queries
- supervised learning
- relevance scores
- information extraction
- similarity measure