International Virtual Observatory Alliance

Difference: VODML (2 vs. 3)

Revision 32014-04-25 - GerardLemson

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 VO Data Modeling Language Specification 

Current WD: 

 VO-DML: a consistent modelling language for IVOA data models (docx, pdf)
 
Schema files providing normative definitions vor valid VO-DML/XML files can be found here: 
 XML schema (XSD) for main structure of document: https://volute.googlecode.com/svn/trunk/projects/dm/vo-dml/xsd/vo-dml.xsd
  Schematron for extra rules that cannot be (easily) implemented in XSD: https://volute.googlecode.com/svn/trunk/projects/dm/vo-dml/xsd/vo-dml.sch.xml
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+[GL 2014-04-25: I will try to keep track of comments from the mailing list on this page
 A set of data models created according to the specification can be found on volute as well in the dm/vo-dml/models folder. Of special relevance for this specification are 
 ivoa: a core model defining various primitive types as well as quantity types. This model should be reused by all other models.
  photdm-alt: a versison of the PhotDM data model, should be synchronized with that spec.
  source: TOY model for describing astronomical sources. ONLY used in the VO-DML and UTYPE specs for illustrating the various modelling and mapping concepts, NOT proposed as a real source data model!
 
We have made a first superficial pass at porting other IVOA data models to VO-DML, in particular characteriation, stc, simdm. These can be used as starting points for a more formal IVOA DM effort to create VO-DML representations for all models, but such an effort MUST include domain experts for those models, i.e. likely the original modellers.
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+Many of these models have been created from a UML definition using an XSLT script available in the xslt sub-folder. For each model an HTML documentation file has been generated from the vo-dml/xml representation using another xslt script.
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+Many of these models have been created from a UML definition using an XSLT script available in the xslt sub-folder. For each model an HTML documentation file has been generated from the vo-dml/xml representation using another xslt script. These can be executed using appopriate ttargets in the ant build.xml file. This also contains a target for validating vo-dml/xml files, which is especially useful for such files written by hand.
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+These can be executed using appopriate ttargets in the ant build.xml file. This also contains a target for validating vo-dml/xml files, which is especially useful for such files written by hand.
 Please read the README.txt for a first draft of a documentation of the structure of the vo-dml folder on volute and and hints how to use the ant build.xml script for the various XSLT scripts. This documentation will be copied on this page over time.

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