Cooperative Query Answering for Semistructured Data.
Michael BargRaymond K. WongPublished in: ADC (2003)
Keyphrases
- semistructured data
- query answering
- cooperative
- regular path queries
- data model
- data integration
- regular expressions
- semi structured
- structured data
- data exchange
- query language
- heterogeneous data
- conjunctive queries
- data complexity
- incomplete information
- integrity constraints
- raw data
- multi agent systems
- query rewriting
- database systems
- xml documents
- multimedia databases
- databases
- tree patterns
- path expressions
- query containment
- schema mappings
- multi agent
- database
- datalog programs
- expressive power
- database schema
- web data
- information extraction
- logic programs
- pattern matching