Hard Queries can be Addressed with Query Splitting Plus Stepping Stones and Pathways.
Xiaoyan YuFernando Adrian Das NevesEdward A. FoxPublished in: IEEE Data Eng. Bull. (2005)
Keyphrases
- query processing
- user queries
- query evaluation
- range queries
- response time
- complex queries
- efficient processing
- database queries
- original query
- query formulation
- multiple queries
- query answers
- query types
- query complexity
- database
- search queries
- query terms
- aggregate queries
- answering queries
- queries involving
- query result
- boolean queries
- retrieval systems
- query suggestion
- semantic query
- probabilistic databases
- data sources
- relational queries
- skyline queries
- result set
- approximate answers
- query rewriting
- selectivity estimation
- retrieval process
- query language
- web queries
- xpath queries
- search logs
- query logs
- query execution
- indexing techniques
- web search engines
- query containment
- search engine
- query refinement
- keyword queries
- information retrieval systems
- relevance model
- cost model
- inverted index
- conjunctive queries
- query expansion
- exact match
- keywords
- user specifies
- exact answers
- query patterns
- query answering
- web search
- data structure