Perspectives and Views of Flexible Query Answering.
Troels AndreasenGuy De TréJanusz KacprzykHenrik Legind LarsenGloria BordognaSlawomir ZadroznyPublished in: FQAS (2021)
Keyphrases
- query answering
- query rewriting
- data exchange
- data integration
- regular path queries
- integrity constraints
- data complexity
- incomplete information
- conjunctive queries
- answering queries
- data integration systems
- database
- inconsistent databases
- query answers
- datalog programs
- dl lite
- open world
- ontology based data access
- xml data exchange
- query relaxation
- database schema
- schema mappings
- relational databases
- data sets