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Expressiveness and matching efficiency are two key design goals of publish/subscribe systems. In this paper, we introduce the Semantic Web technologies into the publish/subscribe system and propose an ontology-based publish/subscribe (OPS) system. The system can make use of the semantic of events to match events with subscriptions, and can support events with complex data structure (such as graph...
Publish/Subscribe systems have become a prevalent model for delivering data from producers (publishers) to consumers (subscribers) distributed across wide-area networks while decoupling the publishers and the subscribers from each other. In this paper we present Meghdoot, which adapts content-based publish/subscribe systems to Distributed Hash Table based P2P networks in order to provide scalable...
Achieving availability and scalability while providing service guarantees such as in-order, gapless delivery is essential for deploying publish/subscribe messaging middleware in wide area networks. Scalability often requires a publish/subscribe system to propagate subscription information and perform content matching across the network. Existing subscription propagation algorithms do not support in-order,...
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