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International Journal on Digital Libraries

, Volume 6, Issue 2, pp 159–173 | Cite as

Representing digital assets usingMPEG-21 Digital Item Declaration

  • Jeroen Bekaert
  • Emiel De Kooning
  • Herbert van de Sompel
Regular Paper

Abstract

Various XML-based approaches aimed at representing compound digital assets have emerged over the last several years. Approaches that are of specific relevance to the digital library community include the Metadata Encoding and Transmission Standard (METS), the IMS Content Packaging XML Binding, and the XML Formatted Data Units (XFDU) developed by CCSDS Panel 2. The MPEG-21 Digital Item Declaration (MPEG-21 DID) is another standard specifying the representation of digital assets in XML that, so far, has received little attention in the digital library community. This article gives a brief insight into the MPEG-21 standardization effort, highlights the major characteristics of the MPEG-21 DID Abstract Model, and describes the MPEG-21 Digital Item Declaration Language (MPEG-21 DIDL), an XML syntax for the representation of digital assets based on the MPEG-21 DID Abstract Model. Also, it briefly demonstrates the potential relevance of MPEG-21 DID to the digital library community by describing its use in the aDORe repository environment at the Research Library of the Los Alamos National Laboratory (LANL) for the representation of digital assets.

Keywords

MPEG-21 DID Digital Item Digital asset OAI-PMH OpenURL 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Jeroen Bekaert
    • 1
    • 2
  • Emiel De Kooning
    • 2
  • Herbert van de Sompel
    • 1
  1. 1.Digital Library Research and Prototyping TeamLos Alamos National LaboratoryLos AlamosUSA
  2. 2.Department of Architecture and Urbanism, Faculty of EngineeringGhent UniversityGentBelgium

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