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<p class="MsoNormal">Hi Enrique<o:p></o:p></p>
<p class="MsoNormal">IVOA data models must be represented as VO-DML/XML files as defined in the VO-DML standard (http://ivoa.net/documents/VODML/index.html).<br>
We have no standard representation as XSD, but the tools (<a href="https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools">https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools</a>) contain a first attempt at generating XSD from the VO-DML. The result
of that is *<b>not</b>* a normative representation of the data model in xml schema though. Such a standard serialization has not (yet) been defined.<br>
The recommended way to generate products form the VO-DMl I to use the actual VO-DML/XML file itself. It is much easier to use thatn UML/XMI representations.<br>
Hence our generic workflow is to first generate from UML/XMI to VO-DML, examples of which are the various ‘xmi2vo-dml…’ XSLT scripts in
<a href="https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools/xslt">https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools/xslt</a>. All the other generators do then not have to deal with tool specific uml/xmi versions.<o:p></o:p></p>
<p class="MsoNormal">I have heard from others running into problems when trying to validate data models using alternative tools.<br>
The ‘run_validate_vo-dml’ target in <a href="https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools/build.xml">
https://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/tools/build.xml</a> seems to work correctly.<o:p></o:p></p>
<p class="MsoNormal">Note that when you have graphviz available on your machine, the vo-dml2html.xsl script can generate documentation with a clickable uml-like diagram.
<br>
If you could improve that, that would be nice.<o:p></o:p></p>
<p class="MsoNormal">Cheers<o:p></o:p></p>
<p class="MsoNormal">Gerard<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<b>From:</b> dm-bounces@ivoa.net <dm-bounces@ivoa.net> <b>On Behalf Of </b>Enrique Galceran García<br>
<b>Sent:</b> Thursday, October 24, 2019 4:26<br>
<b>To:</b> dm@ivoa.net; ivoadoc@ivoa.net<br>
<b>Subject:</b> IVOA Data Models and Provenance<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:justify">Dear member of IVOA,<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><i>(I am not sure this will go to the person responsible for the XML files, please forward appropriately)<o:p></o:p></i></p>
<p class="MsoNormal" style="text-align:justify">My name is Enrique Galceran and I am currently studying the different Data Models that the IVOA committee has designed, specifically the Provenance and the general IVOA Data Model. At the moment I have found the
available XLM, XSD and Schematron files regarding these Data Models that are available on the webpage (<span class="MsoHyperlink"><a href="http://www.ivoa.net/xml/">http://www.ivoa.net/xml/</a></span>).<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify">However, when I used a validation program like <oXygen/> it outputs several errors (“<i>cvc-complex-type.3.2.2: Attribute 'name' is not allowed to appear in element 'sch:pattern'”</i> while validating any model
with the Schematron file and “<i>cvc-complex-type.2.4.a: Invalid content was found starting with element 'title'. One of '{identifier, uri}' is expected.”</i> while validating the IVOA-DM using the XSD file). Is it possible that some of said files aren’t updated
correctly, or am I missing something?<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify">On a similar note, does the IVOA have a XSD file with the defined Provenance Data Model? Would it be possible to obtain a copy of said file? A separate UML/XSI file would also be appreciated. (I wanted to generate
something similar to the full class diagram on page 34 of the documentation <span class="MsoHyperlink">
<a href="http://www.ivoa.net/documents/ProvenanceDM/20190719/ProvenanceDM-1.0-20190719.pdf">http://www.ivoa.net/documents/ProvenanceDM/20190719/ProvenanceDM-1.0-20190719.pdf</a></span>).<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span lang="ES"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><span lang="ES">With gratitude,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify"><span lang="ES">Enrique Galceran<o:p></o:p></span></p>
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<span lang="ES"><br>
</span><span lang="ES" style="font-size:18.0pt;font-family:Webdings;color:green">P
</span><span lang="ES" style="font-size:7.0pt;font-family:"Arial",sans-serif;color:green">Please consider the environment before printing this e-mail.</span><span lang="ES">
<o:p></o:p></span></p>
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