Pragmatic Query Answering: Results from a Quantitative Evaluation.
Jon Scott StevensAnton BenzSebastian ReußeRalf KlabundeLisa RaithelPublished in: NLDB (2015)
Keyphrases
- quantitative evaluation
- query answering
- data exchange
- ground truth
- integrity constraints
- answering queries
- incomplete information
- data complexity
- data integration
- conjunctive queries
- data integration systems
- qualitative evaluation
- query rewriting
- dl lite
- quality assessment
- inconsistent databases
- schema mappings
- query answers
- regular path queries
- databases
- ontology based data access
- query relaxation
- data sources
- decision making