meaning of constraint logic programming
1. Constraint Logic Programming CLP A programming framework based like Prolog on LUSH or SLD resolution, but in which unification has been replaced by a constraint solver. A CLP interpreter contains a Prolog-like inference engine and an incremental constraint solver. The engine sends constraints to the solver one at a time. If the new constraint is consistent with the collected constraints it will be added to the set. If it was inconsistent, it will cause the engine to backtrack. CLP* is a variant. ["Constraint Logic Programming", J. Jaffar et al, 14th POPL, ACM 1987].
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