Document (#35732)

Author

Koutsomitropoulos, D.A.
Solomou, G.D.
Alexopoulos, A.D.
Papatheodorou, T.S.

Title

Semantic metadata interoperability and inference-based querying in digital repositories

Source

Journal of information technology research. 2(2009) no.4, p.37-53

Year

2009

Abstract

Metadata applications have evolved in time into highly structured "islands of information" about digital resources, often bearing a strong semantic interpretation. Scarcely however are these semantics being communicated in machine readable and understandable ways. At the same time, the process for transforming the implied metadata knowledge into explicit Semantic Web descriptions can be problematic and is not always evident. In this article we take upon the well-established Dublin Core metadata standard as well as other metadata schemata, which often appear in digital repositories set-ups, and suggest a proper Semantic Web OWL ontology. In this process the authors cope with discrepancies and incompatibilities, indicative of such attempts, in novel ways. Moreover, we show the potential and necessity of this approach by demonstrating inferences on the resulting ontology, instantiated with actual metadata records. The authors conclude by presenting a working prototype that provides for inference-based querying on top of digital repositories.

Content

Vgl. auch: http://www.hpclab.ceid.upatras.gr/viografika/kotsomit/pubs/jitr09.pdf.

Theme

Semantische Interoperabilität
Wissensrepräsentation
Semantic Web

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