Practical Query Answering in Data Exchange Under Inconsistency-Tolerant Semantics.
Balder ten CateRichard L. HalpertPhokion G. KolaitisPublished in: EDBT (2016)
Keyphrases
- data exchange
- query answering
- schema mappings
- closed world assumption
- open world
- data integration
- data integration systems
- inconsistent databases
- data complexity
- conjunctive queries
- answering queries
- query containment
- closed world
- query answers
- data management
- xml queries
- database schema
- target schema
- query rewriting
- integrity constraints
- data model
- data sets
- xml data exchange
- xml schema
- logic programming
- consistent query answering
- unions of conjunctive queries
- data sources
- data analysis
- case study
- decision making