Publication

An OCL Semantics Specified with QVT

Slavisa Markovic
2006
Conference Papers

Abstract

Metamodeling became in the last decade a widely accepted tool to describe the (abstract) syntax of modeling languages in a concise, but yet precise way. For the description of the language's semantics, the situation is less satisfactory and formal semantics definitions are still seen as a challenge. In this paper, we propose an approach to specify the semantics of modeling languages in a graphical way. As an example, we describe the evaluation semantics of OCL by transformation rules written in the graphical formalism QVT. We believe that the graphical format of our OCL semantics has natural advantages with respect to understandability compared to existing formalizations of OCL's semantics. Our semantics can also be seen as a reference implementation of an OCL evaluator, because the transformation rules can be executed by any QVT compliant transformation engine.

Official source

https://infoscience.epfl.ch/entities/publication/72e06dd0-956f-4b95-a9de-503a21afcde3

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Slavisa Markovic
2006
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/72e06dd0-956f-4b95-a9de-503a21afcde3

About this result

Related concepts (18)

Operational semantics

Operational semantics is a category of formal programming language semantics in which certain desired properties of a program, such as correctness, safety or security, are verified by constructing proofs from logical statements about its execution and procedures, rather than by attaching mathematical meanings to its terms (denotational semantics).

Denotational semantics

In computer science, denotational semantics (initially known as mathematical semantics or Scott–Strachey semantics) is an approach of formalizing the meanings of programming languages by constructing mathematical objects (called denotations) that describe the meanings of expressions from the languages. Other approaches providing formal semantics of programming languages include axiomatic semantics and operational semantics. Broadly speaking, denotational semantics is concerned with finding mathematical objects called domains that represent what programs do.

Semantics

Semantics () is the study of reference, meaning, or truth. The term can be used to refer to subfields of several distinct disciplines, including philosophy, linguistics and computer science. In English, the study of meaning in language has been known by many names that involve the Ancient Greek word σῆμα (sema, "sign, mark, token"). In 1690, a Greek rendering of the term semiotics, the interpretation of signs and symbols, finds an early allusion in John Locke's An Essay Concerning Human Understanding: The third Branch may be called σημειωτική [simeiotikí, "semiotics"], or the Doctrine of Signs, the most usual whereof being words, it is aptly enough termed also λογικὴ, Logick.

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