A Novel Algorithm of Expansion Term Selection and Weight Assignment for Query Expansion of Chinese EMR Retrieval.
Songchun YangXiangwen ZhengFan TongHuajian MaoDongsheng ZhaoPublished in: BIBM (2020)
Keyphrases
- query expansion
- term selection
- information retrieval
- relevance feedback
- learning algorithm
- pseudo relevance feedback
- information retrieval systems
- ad hoc retrieval
- weight assignment
- text retrieval
- retrieval model
- language model
- blind feedback
- test collection
- language modeling
- decision trees
- document retrieval
- query terms
- retrieval effectiveness
- natural language processing
- probabilistic model
- expansion terms
- image retrieval