Keyphrases
- logic programs
- logic programming
- answer sets
- answer set programming
- stable models
- fixpoint
- prolog programs
- background knowledge
- computational properties
- stable model semantics
- inductive logic programming
- partial deduction
- logic program updates
- high level
- strong equivalence
- semantic information
- existentially quantified
- term rewriting systems
- normal logic programs
- horn clauses
- semantic properties
- domain ontology
- constraint satisfaction problems
- data model
- expert systems
- natural language