Investigating Similarity of Ontology Instances and Its Causes

  • Authors:
  • Anton Andrejko;Mária Bieliková

  • Affiliations:
  • Institute of Informatics and Software Engineering Faculty of Informatics and Information technologies, Slovak University of Technology, Bratislava, 842 16;Institute of Informatics and Software Engineering Faculty of Informatics and Information technologies, Slovak University of Technology, Bratislava, 842 16

  • Venue:
  • ICANN '08 Proceedings of the 18th international conference on Artificial Neural Networks, Part II
  • Year:
  • 2008

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Abstract

In this paper we present a novel method of comparing instances of ontological concepts in regard to personalized presentation and/or navigation in large information spaces. It is based on the assumption that comparing attributes of documents which were found interesting for a user can be a source for discovering information about user's interests. We consider applications for the Semantic Web where documents or their parts are represented by ontological concepts. We employ ontology structure and different similarity metrics for data type and object type attributes. From personalization point of view we impute reasons that might have caused user's interest in the content. Moreover, we propose a way to enumerate similarity for the particular user while taking into account individual user's interests and preferences.