Abductive Logic Programs with Penalization: Semantics, Complexity and Implementation
Simona PerriFrancesco ScarcelloNicola LeonePublished in: CoRR (2003)
Keyphrases
- logic programs
- logic programming
- stable models
- abductive logic programming
- background knowledge
- stable model semantics
- answer sets
- answer set programming
- deductive databases
- abductive reasoning
- normal logic programs
- answer set semantics
- logic programming language
- fixpoint
- declarative semantics
- fixpoint semantics
- logic program updates
- model theoretic
- computational properties
- nonmonotonic reasoning
- reasoning tasks
- semantics of logic programs
- autoepistemic logic
- prolog programs
- semantics for logic programs
- constraint logic programming
- default logic
- inductive logic programming
- horn clauses
- partial deduction
- knowledge representation
- term rewriting systems
- strong equivalence
- loop formulas
- fixed point semantics