Supporting multiple subscription languages by a single event notification overlay in sparse MANETs

Authors:
Katrine Stemland Skjelsvik;Anna Lekova;Vera Goebel;Ellen Munthe-Kaas;Thomas Plagemann;Norun Sanderson
Affiliations:
University of Oslo, Oslo, Norway;Bulgarian Academy of Sciences, Sofia, Bulgari;University of Oslo, Oslo, Norway;University of Oslo, Oslo, Norway;University of Oslo, Oslo, Norway;University of Oslo, Oslo, Norway
Venue:
MobiDE '06 Proceedings of the 5th ACM international workshop on Data engineering for wireless and mobile access
Year:
2006

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Abstract

The subscription language is an important design decision for distributed event notification services (DENS). In order to minimize resource consumption and enable applications to use rich and complex subscription languages only when they are really needed, we have developed a DENS that separates the concerns of delivering subscriptions and notifications from the subscription specification and event filtering, i.e., the subscription language. To resolve the conflict between subscription language independence in DENS and a strict decoupling of publishers and subscribers through the DENS, we request that for each new subscription language three language specific plug-ins are provided. In this paper, we present the technical details of this solution and describe our proof-of-concept implementation that supports a simple attribute-value based subscription language and a fuzzy concept-based language.