NDLI: Lightweight string reasoning in model finding

Content Provider	Springer Nature Link
Author	Büttner, Fabian Cabot, Jordi
Copyright Year	2013
Abstract	Models play a key role in assuring software quality in the model-driven approach. Precise models usually require the definition of well-formedness rules to specify constraints that cannot be expressed graphically. The Object Constraint Language (OCL) is a de-facto standard to define such rules. Techniques that check the satisfiability of such models and find corresponding instances of them are important in various activities, such as model-based testing and validation. Several tools for these activities have been developed, but to our knowledge, none of them supports OCL string operations on scale that is sufficient for, e.g., model-based testing. As, in contrast, many industrial models do contain such operations, there is evidently a gap. We present a lightweight solver that is specifically tailored to generate large solutions for tractable string constraints in model finding, and that is suited to directly express the main operations of the OCL datatype String. It is based on constraint logic programming (CLP) and constraint handling rules, and can be seamlessly combined with other constraint solvers in CLP. We have integrated our solver into the EMFtoCSP model finder, and we show that our implementation efficiently solves several common string constraints on large instances.
Starting Page	413
Ending Page	427
Page Count	15
File Format	PDF
ISSN	16191366
Journal	Software and Systems Modeling
Volume Number	14
Issue Number	1
e-ISSN	16191374
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-04-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Model instantiation OCL String constraints Constraint logic programming Constraint handling rules Software Engineering/Programming and Operating Systems Programming Techniques Software Engineering Programming Languages, Compilers, Interpreters Information Systems Applications (incl. Internet) Business Information Systems
Content Type	Text
Resource Type	Article
Subject	Modeling and Simulation Software

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