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Engel, F.* ; Giuliani, C.* ; Watter, M.* ; Kalantari, A.* ; Schuller, K. ; Kaier, K.*

From manual entry to machine precision: Challenges and evolution of metadata schema development in collaborative research centers.

BMC Res. Notes 19:277 (2026)
Publ. Version/Full Text Research data DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
OBJECTIVE: Metadata standardization in collaborative biomedical research must balance interoperability with domain-specific detail. We describe a parent-template approach in which a baseline schema from the nephrology-focused CRC 1453 NephGen was adapted for the tumor-immunology CRC OncoEscape and the perinatal-immunology CRC Pilot. RESULTS: The derivation process produced three structurally compatible yet vocabulary-divergent schemas. Pilot required the highest granularity (324 levels), followed by NephGen (287) and OncoEscape (283). Vocabulary reuse from the NephGen baseline was limited: 134 of 283 OncoEscape levels (47%) and 113 of 324 Pilot levels (35%) were retained unchanged. The main adaptations were not only expanded level lists, such as cell lines and mouse lines, but also new CRC-specific query dimensions, including "Oncogenes" in OncoEscape and "Timeline" in Pilot. In the context of AI-assisted extraction, we use the term instruction set to denote a schema that specifies target fields, expected granularity, example values, and validation resources for each metadata dimension, rather than a simple drop-down form or a free-text prompt template.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Biomedical Consortia ; Llm-supported Annotation ; Metadata Schema Development ; Ontology Mapping ; Research Data Management; Implementation
e-ISSN 1756-0500
Quellenangaben Volume: 19, Issue: 1, Pages: , Article Number: 277 Supplement: ,
Publisher Springer
Publishing Place The Campus, 4 Crinan St, London, N1 9xw, England
Reviewing status Peer reviewed
Institute(s) Strategy and Digitalization (DIG)
Grants Universittsklinikum Freiburg (8975)