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This paper presents an event-based communication middleware developed for a fairly large pervasive display network installed in a city center. We demonstrate the feasibility of the middleware with a set of dynamic and distributed prototype applications implemented for the display network. We also conduct an empirical performance evaluation of the middleware in lab and real world settings.
Complex communication patterns often need to take into account the situation in which the information to be communicated is produced or consumed. Publish-subscribe, and particularly its content-based incarnation, is often used to convey this information by encoding the ldquocontextrdquo of the publisher into the published messages. In this paper we claim that this approach is limiting and inefficient...
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