Characterizing the Temporal and Semantic Coherency of Broadcast-Based Data Dissemination

  • Authors:
  • Evaggelia Pitoura;Panos K. Chrysanthis;Krithi Ramamritham

  • Affiliations:
  • -;-;-

  • Venue:
  • ICDT '03 Proceedings of the 9th International Conference on Database Theory
  • Year:
  • 2003

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Abstract

In this paper, we develop a general theory of temporal and semantic coherency for an extended client/server architecture in which the server broadcasts items of interest to a large number of clients without a specific client request. Such architectures are part of an increasing number of emerging applications in wireless mobile computing systems; they also provide a scalable means to deliver information in web-based applications, for example in publish-subscribe systems. We introduce various forms of temporal and semantic coherency applicable to such architectures and present a framework to precisely define protocols for enforcing them.