Optimisation of language-integrated queries by query unnesting.
Tomasz Marek KowalskiRadoslaw AdamusPublished in: Comput. Lang. Syst. Struct. (2017)
Keyphrases
- query processing
- visual query language
- user queries
- query evaluation
- high level query language
- complex queries
- range queries
- query formulation
- database queries
- xml query languages
- query language
- response time
- natural language queries
- efficient processing
- query types
- queries involving
- database
- original query
- query answers
- multiple queries
- boolean queries
- data sources
- answering queries
- search queries
- algebraic operations
- aggregate functions
- probabilistic databases
- result set
- query complexity
- query result
- query terms
- rewriting rules
- query rewriting
- aggregate queries
- semantic query
- relational databases
- retrieval systems
- query suggestion
- query specific
- recursive queries
- uniform manner
- query engine
- query refinement
- search logs
- xpath queries
- web queries
- data objects
- query logs
- cost model
- indexing techniques
- relational queries
- web search engines
- inverted index
- sql statements
- language constructs
- search engine
- index structure
- query containment
- natural language
- retrieval process
- sparql queries
- exact answers
- exact match
- keyword queries
- query expansion
- data model
- approximate answers
- skyline queries
- query interface
- keywords
- xml queries
- tree patterns
- user specifies
- database systems
- query answering
- web search
- xml data
- query optimization
- conjunctive queries
- query execution
- path expressions
- selectivity estimation