Keyphrases
- logic programs
- logic programming
- fixpoint
- stable models
- background knowledge
- answer sets
- answer set programming
- computational properties
- partial deduction
- inductive logic programming
- logic program updates
- normal logic programs
- data model
- term rewriting systems
- prolog programs
- query language
- stable model semantics
- relational algebra
- object oriented
- horn clauses
- loop formulas
- answer set programs
- nonmonotonic reasoning