Gramáticas Datalog Extendidas: Una Nueva Aproximación.
Lidia MorenoManuel PalomarAntonio MolinaPublished in: APPIA-GULP-PRODE (1997)
Keyphrases
- expressive power
- deductive databases
- query answering
- query language
- datalog programs
- logic programming
- ontology based data access
- transitive closure
- integrity constraints
- database languages
- relational calculus
- ordered labeled trees
- conjunctive queries
- relational algebra
- data complexity
- datalog queries
- relational query languages
- machine learning
- complex objects
- programming language
- data model
- artificial intelligence