Schema Representations

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Conceptual and procedural schemas and community standards are established to provide a common understanding of the meaning or semantics of data and data pipelines. They are built on sets of vocabulary/ ontology terms which can be used to describe resources for the purposes of discovery. Schema(s)and standard(s) enable structured data management and data exchange between data storage structures. Schema(s) might rely on standard vocabularies. In the MOD-CO context meta-omics-related vocabularies are evaluated.



MOD-CO is developing a conceptual and procedural meta-omics schema published in various kind of schema representations. With that, MOD-CO is providing specifications useful for later software implementation and facilitates international standardisation processes.


Access to MOD-CO schema

  • The editing of concepts etc. for future versions is done in a master installation of DiversityDescriptions with export function.
  • ​The editorial work will be followed by a regular data export and data import in the MOD-CO wiki for web access.
  • The "view history" function of each wiki page is used to document the history of published editorial changes and have a documentation of the "issue date" and “modified date” for each single concept page.
  • Representation 3: SDD-structured XML document of MOD-CO version 1.0: MODCOschema1.0_SSDstructured.xml for download as zip-archive here.
  • Representation 4: two DiversityDescriptions installations at the SNSB IT Center with MOD-CO schema version 1.0, one as read-only access for anonymous DWB users (DWB cloud services) and the other for training and outreach purposes, i.e., integrated in the DWB Training environment.
  • Representation 5: MOD-CO structured normative XSD schema document of MOD-CO version 1.0 will soon be available under http://schema.mod-co.net/MOD-CO_1.0.xsd***
    • This XSD schema representation might be used for validation of any external XML document assumed to be structured according MOD-CO concerning well-formedness. Validation might be done using online XML validators or, alternatively, the validator included in the DiversityDescriptions software.

MOD-CO schema namespace in numbers

see under modco


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