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This paper presents an algebraic specification language for the formal specification of the semantics of web services. A set of rules for transforming WSDL into algebraic structures is proposed. Its practical usability is also demonstrated by an example.
In this paper we present an automated support for software model evolution using a formal language constructs. For this, we extended Object Constraint Language (OCL) with actions to define a new language - CAL (Constraint with Action Language), which gives users the ability to evaluate objects change a-priori. We have added a data type, directed acyclic graph (DAG) to CAL to automate model evolution...
Providing software components with a four level contract specification - syntax, semantics, synchronization, quality of service - is important to their correct (re)use. The mandatory syntactic level is included by all current component models. Academic models also employ one of the others, but use different formalisms to represent it. Through this paper, we propose an integrated approach for handling...
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