Semantically routing queries in peer-based systems: The h-link approach

  • Authors:
  • Stefano Montanelli;Silvana Castano

  • Affiliations:
  • 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;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

  • Venue:
  • The Knowledge Engineering Review
  • Year:
  • 2008

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Abstract

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.