Crowdsourcing Tasks in Open Query Answering.
Elena SimperlBarry NortonDenny VrandecicPublished in: AAAI Spring Symposium: Wisdom of the Crowd (2012)
Keyphrases
- query answering
- data exchange
- data integration
- answering queries
- incomplete information
- data complexity
- integrity constraints
- conjunctive queries
- open world
- query rewriting
- data integration systems
- amazon mechanical turk
- inconsistent databases
- query answers
- schema mappings
- query relaxation
- xml data exchange
- dl lite
- query containment
- datalog programs
- query optimization
- knowledge discovery
- data model
- transitive roles
- machine learning