Handling Partial Matches in Semistructured Data with Cooperative Query Answering Techniques.
Antonio BadiaSanjay Kumar MadriaPublished in: OTM (2002)
Keyphrases
- query answering
- semistructured data
- cooperative
- regular path queries
- regular expressions
- data model
- data exchange
- data integration
- semi structured
- query language
- structured data
- conjunctive queries
- heterogeneous data
- integrity constraints
- incomplete information
- database systems
- raw data
- data complexity
- query rewriting
- multi agent
- xml schema
- web data
- tree patterns
- multi agent systems
- pattern matching
- query containment
- databases
- relational algebra
- xml documents
- multimedia databases
- knowledge management
- logic programs
- schema mappings
- matching algorithm