Document (#31299)

Author
Park, J.-r.
Title
Semantic interoperability and metadata quality : an analysis of metadata item records of digital image collections
Source
Knowledge organization. 33(2006) no.1, S.20-34
Year
2006
Abstract
This paper is a current assessment of the status of metadata creation and mapping between catalogerdefined field names and Dublin Core (DC) metadata elements across three digital image collections. The metadata elements that evince the most frequently inaccurate, inconsistent and incomplete DC metadata application are identified. As well, the most frequently occurring locally added metadata elements and associated pattern development are examined. For this, a randomly collected sample of 659 metadata item records from three digital image collections is analyzed. Implications and issues drawn from the evaluation of the current status of metadata creation and mapping are also discussed in relation to the issue of semantic interoperability of concept representation across digital image collections. The findings of the study suggest that conceptual ambiguities and semantic overlaps inherent among some DC metadata elements hinder semantic interoperability. The DC metadata scheme needs to be refined in order to disambiguate semantic relations of certain DC metadata elements that present semantic overlaps and conceptual ambiguities between element names and their corresponding definitions. The findings of the study also suggest that the development of mediation mechanisms such as concept networks that facilitate the metadata creation and mapping process are critically needed for enhancing metadata quality.
Theme
Bilder
Metadaten
Semantische Interoperabilität
Object
Dublin core

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  5. Park, J.-r.; Tosaka, Y.; Lu, C.: Locally added homegrown metadata semantics : issues and implications 0.30
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