Titlebook: Analysis and Visualization Tools for Constraint Programming; Constraint Debugging Pierre Deransart,Manuel V. Hermenegildo,Jan Ma?usz Book 2

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Tools for Constraint Visualisation: The VIFID/TRIFID Tool often fall short of expectations or are altogether inadequate for new programming paradigms, such as Constraint Logic Programming (CLP), whose declarative and operational semantics differ in some crucial ways from those of other paradigms. In particular, traditional ideas regarding the behaviour of

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Complex Constraint Abstraction: Global Constraint Visualisationlobal constraints, the core feature of the CHIP constraint language. The tools follow a general classification scheme for the use of global constraints in global constraint concepts. Each concept captures the use of a constraint for a particular type of problem, which can be visualised in a specific

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Using Constraint Visualisation Toolsmming system. We will first discuss their use on some standard examples where we can see how constraint visualisation can be used to detect performance problems and which type of improvements we can suggest. In a second part, we give an overview of some industrial CHIP applications, where the visual

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Martin A. Ciesielski,Thomas Schutzsome kind of tree and the diagnosis amounts to search for a kind of . in this tree. Several search strategies are possible. The principles of an implementation are described, with a diagnosis session.

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Book 2000 a few examples of complex (combinatorial) problems that can be modeled as a set of decision variables whose values are subject to a set of constraints. The decision variables may be the time when production of a particular lot will start or the plane that a maintenance crew will be working on at a

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Martin A. Ciesielski,Thomas Schutzser in constructing specifications incrementally; often a fragment of the specification is already sufficient to locate an error. The presentation is informal. The focus is on the motivation of this work and on the functionality of the tool. Some related formal aspects are discussed in [4.15, 4.29]. The prototype tool is available from ..

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