The Combined Approach to Query Answering in Horn-ALCHOIQ (Extended Abstract).
David CarralIrina DragosteMarkus KrötzschPublished in: Description Logics (2019)
Keyphrases
- extended abstract
- query answering
- data exchange
- data complexity
- incomplete information
- answering queries
- integrity constraints
- conjunctive queries
- data integration
- inconsistent databases
- data integration systems
- np hard
- query rewriting
- datalog programs
- case study
- data sets
- query relaxation
- database
- decision support
- query language
- special case