An Algorithm of Query Expansion for Chinese EMR Retrieval by Improving Expansion Term Weights and Retrieval Scores.
Songchun YangXiangwen ZhengXiangfei YinHuajian MaoDongsheng ZhaoPublished in: IEEE Access (2020)
Keyphrases
- query expansion
- retrieval model
- information retrieval systems
- information retrieval
- relevance feedback
- retrieval effectiveness
- text retrieval
- query terms
- term weights
- image retrieval
- language model
- probabilistic model
- test collection
- relevant documents
- document collections
- k means
- similarity measure
- pseudo relevance feedback
- learning algorithm
- document retrieval
- language modeling
- vector space model