On Observing and Constraining Active Systems

Moro, Gianluca; Viroli, Mirko

doi:10.1007/3-540-44539-0_3

Cited by 2 publications

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“…The first kind of events are generated and issued (or manifested) by a source in order to allow someone to observe it, while the second kind of events aims to let the source to be controlled by an external entity. The event coordination issues among source's components and external entities change radically with respect to the kind of external activity required, namely observation or control activities as we studied in [19] and in [21] respectively. Moreover we showed that the importance of the observation goes beyond of being a mere loosely-coupled interaction protocol, in fact it is a paradigm which enables several cooperation patterns both among general purpose autonomous systems [20] and among business to business ecommerce applications [22]; a formalization of the paradigm has been given in [35].…”

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confidence: 99%

On the event coordination in multi-component systems

Moro

Natali

2002

Proceedings of the 14th International Conference on Software Engineering and Knowledge Engineering

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In this paper we highlight some issues on the event consistencyinmulti-componentsystemsandthecoordination activities necessary to maintain it. We point out that the generation of events of a component should change with respect to its usage context but the burden of the coordination which maintains such a consistency is entrusted to the developer's cleverness because existing tools do not offer adequate solutions. Hence we present a model of the coordination activities in multi-component systems in order to clarify the space of the problem and possible points where to intervene. Then we propose a conceptual solution based on a set of types of abstract observers through which realizing the above mentioned coordination activities.

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confidence: 99%