In this paper we address the problem of subsumption checking for subscriptions in pub/sub systems. We develop a novel approach based on negative space representation for subsumption checking and provide efficient algorithms for subscription forwarding in a dynamic pub/ sub environment. We then provide heuristics for approximate subsumption checking that greatly enhance the performance without compromising the correct execution of the system and only adding incremental cost in terms of extra computation in brokers. We illustrate the advantages of this novel approach by carrying out extensive experimentation. © 2008 Springer Berlin Heidelberg.
CITATION STYLE
Jafarpour, H., Hore, B., Mehrotra, S., & Venkatasubramanian, N. (2008). Subscription subsumption evaluation for content-based publish/subscribe systems. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5346 LNCS, pp. 62–81). https://doi.org/10.1007/978-3-540-89856-6_4
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