<div dir="ltr"><div dir="ltr"><div dir="ltr"><div>I've looked into this a bit more and I can see where you have very limited alternatives in 2.1 or in 2.5. </div><div>As you know I'm highly adverse to repurposing elements and in this case your proposal makes it so that your content is not usable in DC and renders difficulties for other search engines that anticipate a string content of a subject term.</div><div><br></div><div>A way to get around this in an updated version of Codebook would be to add a standard option to baseElementType that is available in Lifecycle, the UserID</div><div>This would allow you to add the direct link here or in other locations where you need it. </div><div><br></div><div>I'm only suggesting it as a possibility as I may be proposing a broad solution to a more specific problem. In any case you should file it so we could consider the problem as well as possible solutions that would benefit you and still retain compatibility with DC. </div><div><br></div><div>This link will take you to the entry form to file an issue for Codebook:</div><div><a class="external-link" style="text-align:left;color:rgb(0,82,204);text-transform:none;text-indent:0px;letter-spacing:normal;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;text-decoration:underline;word-spacing:0px;white-space:normal" href="https://ddi-alliance.atlassian.net/CreateIssue.jspa?pid=10000" rel="nofollow">https://ddi-alliance.atlassian.net/CreateIssue.jspa?pid=10400</a> </div><div><br></div><div>Wendy</div></div></div></div><br><div class="gmail_quote"><div class="gmail_attr" dir="ltr">On Mon, Sep 2, 2019 at 1:31 AM Steven McEachern <<a href="mailto:steven.mceachern@anu.edu.au">steven.mceachern@anu.edu.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">
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Hi everyone,</div>
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We are looking to make (renewed) use of Topic Classification from DDI-C 2.1:</div>
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<a href="https://ddialliance.org/Specification/DDI-Codebook/2.1/DTD/Documentation/topcClasType.html" target="_blank">https://ddialliance.org/Specification/DDI-Codebook/2.1/DTD/Documentation/topcClasType.html</a><br>
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The field definition in the spec defines this as:</div>
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<span style="font-family:"Courier New",monospace;font-size:10pt">"The "vocab" attribute is provided for specification of the controlled vocabulary in use, e.g., LCSH, MeSH, etc. The "vocabURI" attribute specifies the location for the full controlled vocabulary.
Maps to Dublin Core Subject element. Inclusion of this element in the codebook is recommended."</span><span><br>
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<div>With the example(s): </div>
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<div><span style="font-family:"Courier New",monospace;font-size:10pt"><topcClas vocab="LOC Subject Headings" vocabURI="<a href="http://www.loc.gov/catdir/cpso/lcco/lcco.html" target="_blank">http://www.loc.gov/catdir/cpso/lcco/lcco.html</a>"> Public opinion -- California -- Statistics</topcClas> </span></div>
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<div>The example and the definition suggest that it is the VOCABULARY that should be used in this field. Our preference however is to actually use the PURL for the specific term here, e.g.:</div>
<div><span style="text-align:left;color:rgb(128,128,128);font-family:"Source Sans Pro",sans-serif;display:inline;background-color:rgb(229,246,254)"><a id="gmail-m_-4143893007068025894LPlnk673049" href="http://purl.org/au-research/vocabulary/anzsrc-for/2008/16" target="_blank">http://purl.org/au-research/vocabulary/anzsrc-for/2008/16</a></span><br>
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<div>The aim here is to progressively allow us to provide findability for datasets using a linked data approach.</div>
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<div>I'm hoping colleagues can provide feedback on:<br>
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<div>a) Is this consistent with the definition of topcClas? (I note specifically the mapping to the DC term "subject" - <a id="gmail-m_-4143893007068025894LPlnk142835" style="text-align:left;color:rgb(35,82,124);font-family:-apple-system,system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14.4px;text-decoration:underline;box-sizing:border-box;background-color:rgb(255,255,255)" href="http://purl.org/dc/elements/1.1/subject" target="_blank">http://purl.org/dc/elements/1.1/subject</a>)</div>
<div>b) Is anyone using topcClas in this way?</div>
<div>c) If we did so, does anyone see any problems if we were to link to the specific PURL rather than the vocabulary?</div>
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<div>Looking forward to your thoughts.</div>
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<div>Regards,</div>
<div>Steve</div>
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<div>Dr. Steven McEachern</div>
<div>Director, Australian Data Archive</div>
<div>Australian National University</div>
<div>Ph. (+61)2 6125 2200</div>
<div>E: <a href="mailto:steven.mceachern@anu.edu.au" target="_blank">steven.mceachern@anu.edu.au</a></div>
<div><a href="http://www.ada.edu.au" target="_blank">http://www.ada.edu.au</a></div>
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</blockquote></div><br clear="all"><br>-- <br><div class="gmail_signature" dir="ltr"><div>Wendy L. Thomas Phone: +1 612.624.4389</div><div>Data Access Core Director Fax: +1 612.626.8375</div><div>Minnesota Population Center Email: <a href="mailto:wlt@umn.edu" target="_blank">wlt@umn.edu</a></div><div>University of Minnesota</div><div>50 Willey Hall</div><div>225 19th Avenue South</div><div>Minneapolis, MN 55455</div></div>