Towards a Federation of Metadata Repositories: Addressing Technical Interoperability

Hannes Ulrich, Jori Kern, Ann-Kristin Kock-Schoppenhauer, Martin Lablans, Josef Ingenerf

Abstract

The utilisation of metadata repositories increasingly promotes secondary use of routinely collected data. However, this has not yet solved the problem of data exchange across organisational boundaries. The local description of a metadata set must also be exchangeable for flawless data exchange. In previous work, a metadata exchange language QL4MDR was developed. This work aimed to examine the applicability of this exchange language. For this purpose, existing MDR implementations were identified and systematically inspected and roughly divided into two categories to distinguish between data integration and query integration. It has been shown that all the implementations can be adapted to QL4MDR. The integration of metadata is an important first step; it enables the exchange of information, which is so urgently needed for the further processing of instance data, from the metadata mappings to the transformation rules.

Original languageEnglish
JournalStudies in Health Technology and Informatics
Volume267
Pages (from-to)74-80
Number of pages7
ISSN0926-9630
DOIs
Publication statusPublished - 03.09.2019

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