Simple Weighting Techniques for Query Expansion in Biomedical Document Retrieval.
Young-In SongKyoung-Soo HanSo-Young ParkSang-Bum KimHae-Chang RimPublished in: IEICE Trans. Inf. Syst. (2007)
Keyphrases
- document retrieval
- query expansion
- pseudo relevance feedback
- language model
- relevant documents
- relevance feedback
- document ranking
- retrieval model
- blind feedback
- information retrieval
- passage retrieval
- text retrieval
- retrieved documents
- query terms
- language modeling
- spreading activation
- retrieval effectiveness
- document collections
- biomedical text
- expansion terms
- information retrieval systems
- biomedical information retrieval
- relevance model
- language modeling framework
- ranking functions
- probabilistic model
- ad hoc retrieval
- cross language
- expert search
- tf idf
- original query
- test collection
- vector space model
- term selection
- query specific
- information extraction
- document level
- pseudo feedback
- learning to rank
- text mining
- question answering
- retrieval strategies
- active learning
- term weighting
- machine learning