Detecting Unsolvable Queries for Definite Logic Programs
Maurice BruynoogheHenk VandecasteeleD. Andre de WaalMarc DeneckerPublished in: J. Funct. Log. Program. (1999)
Keyphrases
- logic programs
- logic programming
- recursive programs
- fixpoint
- stable models
- answer set programming
- answer sets
- query language
- query processing
- computational properties
- inductive logic programming
- background knowledge
- prolog programs
- term rewriting systems
- partial deduction
- database queries
- horn clauses
- stable model semantics
- normal logic programs
- database
- functional programs
- logic program updates
- data model
- strong equivalence