Keyphrases
- logic programs
- logic programming
- logic program updates
- answer set programs
- answer sets
- answer set programming
- stable models
- fixpoint
- background knowledge
- computational properties
- inductive logic programming
- normal logic programs
- prolog programs
- partial deduction
- loop formulas
- strong equivalence
- horn clauses
- term rewriting systems
- nonmonotonic reasoning
- knowledge base
- decision problems
- relational databases