Keyphrases
- keywords
- user queries
- keyword search
- answering queries
- query processing
- search engine
- response time
- query keywords
- query expansion
- natural language queries
- keyword queries
- nearest neighbor
- database
- relevance feedback
- exact match
- text documents
- query evaluation
- web pages
- web documents
- structured queries
- information retrieval systems
- database queries
- retrieval systems
- visual features
- retrieval method
- complex queries
- query answering
- data sources
- query answers
- data structure
- co occurrence