Cluster-based query expansion using language modeling in the biomedical domain.
Xuheng XuXiaohua HuPublished in: BIBM Workshops (2010)
Keyphrases
- language modeling
- query expansion
- language model
- information retrieval systems
- retrieval model
- retrieval effectiveness
- information retrieval
- cross lingual
- text retrieval
- biomedical information retrieval
- relevance feedback
- relevant documents
- pseudo relevance feedback
- text mining
- term weighting
- pseudo feedback
- query specific
- expert finding
- relevance model
- n gram
- query terms
- learning process
- ad hoc retrieval
- text classification
- term dependencies
- sentence retrieval
- vector space model
- information extraction
- word segmentation
- passage retrieval
- short queries
- document retrieval
- search engine