Learning to rank query expansion terms for COVID-19 scholarly search.
Ayesha KhaderFaezeh EnsanPublished in: J. Biomed. Informatics (2023)
Keyphrases
- query expansion
- learning to rank
- original query
- information retrieval
- automatic query expansion
- initial query
- query terms
- query suggestion
- relevant documents
- information retrieval systems
- document retrieval
- pseudo relevance feedback
- retrieval effectiveness
- short queries
- language model
- language modeling
- ranking functions
- test collection
- prior art
- retrieved documents
- evaluation measures
- relevance feedback
- query dependent
- document ranking
- loss function
- search queries
- user queries
- relevance judgments
- text retrieval
- ranking models
- retrieval model
- document collections
- evaluation metrics
- ad hoc retrieval
- relevance model
- retrieval systems
- information seeking
- co occurrence
- query logs
- digital libraries
- search engine
- collaborative filtering
- vector space model