001     144793
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037 _ _ |a DKFZ-2019-02225
041 _ _ |a eng
082 _ _ |a 004
100 1 _ |a Mate, Sebastian
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245 _ _ |a Pan-European Data Harmonization for Biobanks in ADOPT BBMRI-ERIC.
260 _ _ |a Stuttgart
|c 2019
|b Schattauer
336 7 _ |a article
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520 _ _ |a High-quality clinical data and biological specimens are key for medical research and personalized medicine. The Biobanking and Biomolecular Resources Research Infrastructure-European Research Infrastructure Consortium (BBMRI-ERIC) aims to facilitate access to such biological resources. The accompanying ADOPT BBMRI-ERIC project kick-started BBMRI-ERIC by collecting colorectal cancer data from European biobanks. To transform these data into a common representation, a uniform approach for data integration and harmonization had to be developed. This article describes the design and the implementation of a toolset for this task. Based on the semantics of a metadata repository, we developed a lexical bag-of-words matcher, capable of semiautomatically mapping local biobank terms to the central ADOPT BBMRI-ERIC terminology. Its algorithm supports fuzzy matching, utilization of synonyms, and sentiment tagging. To process the anonymized instance data based on these mappings, we also developed a data transformation application. The implementation was used to process the data from 10 European biobanks. The lexical matcher automatically and correctly mapped 78.48% of the 1,492 local biobank terms, and human experts were able to complete the remaining mappings. We used the expert-curated mappings to successfully process 147,608 data records from 3,415 patients. A generic harmonization approach was created and successfully used for cross-institutional data harmonization across 10 European biobanks. The software tools were made available as open source.
536 _ _ |a 315 - Imaging and radiooncology (POF3-315)
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700 1 _ |a Kampf, Marvin
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700 1 _ |a Rödle, Wolfgang
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700 1 _ |a Kraus, Stefan
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700 1 _ |a Proynova, Rumyana
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700 1 _ |a Silander, Kaisa
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700 1 _ |a Ebert, Lars
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700 1 _ |a Lablans, Martin
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700 1 _ |a Schüttler, Christina
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700 1 _ |a Knell, Christian
|b 9
700 1 _ |a Eklund, Niina
|b 10
700 1 _ |a Hummel, Michael
|b 11
700 1 _ |a Holub, Petr
|b 12
700 1 _ |a Prokosch, Hans-Ulrich
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773 _ _ |a 10.1055/s-0039-1695793
|g Vol. 10, no. 4, p. 679 - 692
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910 1 _ |a Deutsches Krebsforschungszentrum
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914 1 _ |y 2019
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