Titlebook: Coordination Models and Languages; 8th International Co Paolo Ciancarini,Herbert Wiklicky Conference proceedings 2006 Springer-Verlag Berli

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,Second Law of Thermodynamics—Entropy,Service Oriented Computing: atomic commit and negotiation. We will show that there exists a rather strict interdependency between the two problems by discussing how negotiation could be expressed as an instance of the atomic commit problem, and vice versa. To this end we exploit the Contract Net Pro

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Specimen Examination Paper Number 2, properties. In addition to that, such specifications can be exploited to guide the generation of code. What is needed at this level is a general methodology that accompanies the translation process, which in particular should help understanding whether and when it is more appropriate to implement a

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Specimen Examination Paper Number 2, with its own specific advantages and drawbacks. To support their mutual comparison, this paper proposes a formal methodology to automatically evaluate the performance of coordination approaches. This methodology comprises (1) creation of simulation models of coordination approaches, (2) execution o

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Specimen Examination Paper Number 1,ted applications. Even if useful to start a formal investigation of the relationship between choreography and orchestration, the proposed framework was not suitable to specify real case studies. In fact, it simply permitted to specify all possible computations abstracting away from the conditions dr

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Specimen Examination Paper Number 1, how dynamic system adaptation can be captured in Paradigm by means of a special evolution component and associated evolution coordination scheme. The component, called McPal, drives the migration following a just-in-time strategy in its own view of the system, independent of other coordination rela

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Properties of the Working Fluid,pi-calculus and the Mobile Ambients calculus as well as graphical models for concurrency such as Petri Nets. We investigate in this paper how Bigraphical Reactive Systems represented as Reactive XML can be used to provide a formal semantics as well as an extensible and mobile platform independent ex

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Specimen Examination Paper Number 2,nique environment. This paper introduces a suite of coordination abstractions that enables expressive interaction between ubiquitous computing applications and dynamically available resources. In our model, applications express their coordination needs in terms of . that are loosely defined by a set