Generalized semantics and abstract interpretation for constraint logic programs

Roberto Giacobazzi, Saumya K. Debray, Giorgio Levi

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

We present simple and powerful generalized algebraic semantics for constraint logic programs that are parameterized with respect to the underlying constraint system. The idea is to abstract away from standard semantic objects by focusing on the general properties of any-possibly nonstandard-semantic definition. In constraint logic programming, this corresponds to a suitable definition of the constraint system supporting the semantic definition. An algebraic structure is introduced to formalize the notion of a constraint system, thus making classical mathematical results applicable. Both top-down and bottom-up semantics are considered. Nonstandard semantics for constraint logic programs can then be formally specified using the same techniques used to define standard semantics. Different nonstandard semantics for constraint logic languages can be specified in this framework. In particular, abstract interpretation of constraint logic programs can be viewed as an instance of the constraint logic programming framework itself.

Original languageEnglish (US)
Pages (from-to)191-247
Number of pages57
JournalThe Journal of Logic Programming
Volume25
Issue number3
DOIs
StatePublished - Dec 1995
Externally publishedYes

ASJC Scopus subject areas

  • Logic

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