Multimedia Tools and Applications

, Volume 62, Issue 2, pp 427–450

A mediator-based approach for integrating heterogeneous multimedia sources

  • Domenico Beneventano
  • Claudio Gennaro
  • Sonia Bergamaschi
  • Fausto Rabitti
Article

Abstract

In many applications, the information required by the user cannot be found in just one source, but has to be retrieved from many varying sources. This is true not only of formatted data in database management systems, but also of textual documents and multimedia data, such as images and videos. We propose a mediator system that provides the end-user with a single query interface to an integrated view of multiple heterogeneous data sources. We exploit the capabilities of the MOMIS integration system and the MILOS multimedia data management system. Each multimedia source is managed by an instance of MILOS, in which a collection of multimedia records is made accessible by means of similarity searches employing the query-by-example paradigm. MOMIS provides an integrated virtual view of the underlying multimedia sources, thus offering unified multimedia access services. Two features are that MILOS is flexible—it is not tied to any particular similarity function—and the MOMIS’s mediator query processor only exploits the ranks of the local answers.

Keywords

Knowledge management Mediator Ontologies Query language Similarity search MPEG-7 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Domenico Beneventano
    • 1
  • Claudio Gennaro
    • 2
  • Sonia Bergamaschi
    • 1
  • Fausto Rabitti
    • 2
  1. 1.DII - Università di Modena e Reggio EmiliaModenaItaly
  2. 2.ISTI - CNRPisaItaly

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