A Theory of Observables for Logic Programs.
Marco CominiGiorgio LeviMaria Chiara MeoPublished in: Inf. Comput. (2001)
Keyphrases
- logic programs
- logic programming
- propositional theories
- answer sets
- stable models
- semantics of logic programs
- answer set programming
- fixpoint
- background knowledge
- normal logic programs
- model theoretic
- partial deduction
- stable model semantics
- computational properties
- prolog programs
- minimal models
- logic program updates
- functional programs
- computational problems
- deductive databases
- refinement operators
- answer set semantics
- strong equivalence
- loop formulas
- reasoning tasks
- expert systems