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Semantically routing queries in peer-based systems: the H-Link approach

Published online by Cambridge University Press:  01 March 2008

STEFANO MONTANELLI
Affiliation:
Dipartimento di Informatica e Comunicazione, Università degli Studi di Milano. Via Comelico 39, 20135 Milano, Italy; e-mail: castano@dico.unimi.it e-mail: montanelli@dico.unimi.it
SILVANA CASTANO
Affiliation:
Dipartimento di Informatica e Comunicazione, Università degli Studi di Milano. Via Comelico 39, 20135 Milano, Italy; e-mail: castano@dico.unimi.it e-mail: montanelli@dico.unimi.it
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Abstract

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A challenging issue to advance the existing P2P semantic routing protocols is related to the capability of developing mechanisms for focused selection of the query recipients by taking into account a semantically rich description of the context of each peer. In this article, we present the H-Link semantic routing approach designed to exploit the results of an ontology matchmaking process for providing a semantic overlay network where peers having similar contexts are recognized and interlinked as semantic neighbors. In particular, H-Link aims at advancing the existing semantic routing protocols by combining ontology-based peer context descriptions and ontology matching techniques for providing query forwarding on a real semantic basis, in a completely decentralized way.

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Articles
Copyright
Copyright © Cambridge University Press 2008