Enhanced Query Classification with Millions of Fine-Grained Topics.
Qi YeFeng WangBo LiZhimin LiuPublished in: WAIM (2) (2016)
Keyphrases
- fine grained
- coarse grained
- access control
- response time
- tightly coupled
- keywords
- query processing
- information retrieval
- user intent
- retrieval systems
- machine learning
- query expansion
- probabilistic model
- query evaluation
- feature selection
- data lineage
- feature set
- query terms
- user queries
- database
- relevance feedback
- data structure
- metadata
- databases