Keyphrases
- user queries
- search queries
- query formulation
- search mechanism
- query suggestion
- efficient search
- search engine
- complex queries
- keyword search
- original query
- query processing
- query reformulation
- database
- search terms
- web search engines
- search space
- relevance feedback
- web search
- response time
- query refinement
- personalized search
- search algorithm
- search quality
- retrieval process
- initial query
- result set
- indexing techniques
- query specific
- keywords
- search sessions
- structured queries
- range queries
- user clicks
- content based search
- search results clustering
- efficient retrieval
- inverted index
- information retrieval systems
- relevance scores
- video search
- web queries
- prior art
- indexing structure
- keyword queries
- result quality
- query evaluation
- multiple queries
- exact match
- database systems
- search history
- information retrieval