Coverage-based query subtopic diversification leveraging semantic relevance.
Md ShajalalMasaki AonoPublished in: Knowl. Inf. Syst. (2020)
Keyphrases
- semantic relevance
- query topic
- similarity measurement
- user queries
- query specific
- query processing
- search tasks
- opinion retrieval
- test collection
- text representation
- expert finding
- result set
- index terms
- average precision
- sentiment analysis
- query terms
- retrieval model
- vector space
- information retrieval systems
- relevance feedback