GeoTruCrowd: trustworthy query answering with spatial crowdsourcing.
Leyla KazemiCyrus ShahabiLei ChenPublished in: SIGSPATIAL/GIS (2013)
Keyphrases
- query answering
- data exchange
- data complexity
- integrity constraints
- conjunctive queries
- incomplete information
- answering queries
- data integration
- query rewriting
- inconsistent databases
- data integration systems
- spatial data
- schema mappings
- transitive roles
- databases
- datalog programs
- data mining
- query relaxation
- query answers
- ontology based data access
- dl lite
- spatial databases
- decision support
- data management