Matching Dependencies with Arbitrary Attribute Values: Semantics, Query Answering and Integrity Constraints
Jaffer GardeziLeopoldo E. BertossiIluju KiringaPublished in: CoRR (2010)
Keyphrases
- query answering
- integrity constraints
- attribute values
- inclusion dependencies
- inconsistent databases
- tuple generating dependencies
- data integration systems
- query answers
- conjunctive queries
- query containment
- consistent query answering
- answering queries
- null values
- deductive databases
- data complexity
- functional dependencies
- database schema
- source schema
- query rewriting
- consistent answers
- target schema
- data exchange
- dl lite
- xml documents
- data cleaning
- incomplete information
- unions of conjunctive queries
- data integration
- data dependencies
- database
- schema mappings
- regular path queries
- logic programming