LL-based query answering over RDF databases.
Ciro M. MedeirosMartin A. MusicanteUmberto Souza da CostaPublished in: J. Comput. Lang. (2019)
Keyphrases
- query answering
- databases
- data integration
- data integration systems
- data exchange
- data model
- data sources
- incomplete information
- conjunctive queries
- answering queries
- inconsistent databases
- data complexity
- integrity constraints
- query rewriting
- metadata
- data management
- ontology languages
- linked data
- data warehouse
- knowledge discovery
- database
- relational databases
- query containment
- semantic web
- query answers
- open world
- xml data exchange
- ontology mappings
- dl lite
- datalog programs
- schema mappings
- data types
- xml data
- query language