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On the Expressiveness of Event-Based Coordination Media
International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'02), pages 1414–1420
CSREA Press, Las Vegas, NV, USA
July 2002
In the context of component-based systems, coordination can be thought of as an event-based service provided by a coordination medium. However, this interpretation is not endorsed by some researches in the field of coordination and in particular by existing attempts to define a notion of expressiveness for coordination models.
So, in this paper we elaborate on providing a new characterisation of expressiveness for coordination models, which takes into account the ability of a coordination medium to support (possibly complex) event-based coordination mechanisms, capturing and generalising features of both data-driven and control-driven coordination models. Based on this characterisation, a formalism for denoting coordination media is developed and is proved to be fully expressive. Examples are provided that show its ability to represent some of the main features and mechanisms of well-known models, such as Linda primitives, event notification, and expiring data.
NokiaMobileCoord — Coordination Technologies for Mobile Agents and Wireless Devices (01/01/2002–31/12/2002)
On the Expressiveness of Event-Based Coordination Media (PDPTA'02, 27/06/2002) — Mirko Viroli (Mirko Viroli, Andrea Omicini, Alessandro Ricci)