- From: Young,Jeff (OR) <jyoung@oclc.org>
- Date: Sun, 8 Dec 2013 23:18:32 +0000
- To: "<kcoyle@kcoyle.net>" <kcoyle@kcoyle.net>
- CC: Niklas Lindström <lindstream@gmail.com>, "public-schemabibex@w3.org" <public-schemabibex@w3.org>
The world is full of whole/part relationships. With this approach, won't Schema.org be overwhelmed by custom partOfFoo properties where the range Foo classname is encoded in the property name? Jeff Sent from my iPad > On Dec 8, 2013, at 6:13 PM, "Karen Coyle" <kcoyle@kcoyle.net> wrote: > > Thanks, Niklas - > > So you are suggesting that we need partOfPeriodical to make this work smoothly? And that would be a new property in Article? If I understand that correctly, we would then have: > > Article > > adds: > * partOfPeriodical > - type: Periodical > > kc > >> On 12/8/13, 1:42 PM, Niklas Lindström wrote: >> Hi Karen, >> >> Great! I did two variants of the article example, inlined below. In >> these, the items are linked (using our suggested partOfPeriodical). They >> also overcome a problem with the current version in the wiki, which >> describes four separate items (two articles and two periodicals). >> >> The first is in RDFa, and uses @resource to identify the article and >> periodical: >> >> - - - 8< - - - >> >> <div vocab="http://schema.org/" typeof="Article"> >> <strong>Title:</strong><span property="name"> Be Careful What You >> Wish For: FRBR, Some Lacunae, A Review</span><br /> >> <strong>Author:</strong> <span property="author">Smiraglia, >> Richardp.</span><br /> >> <strong>Subjects:</strong> <span property="subject">Catalog</span> >> ; <span property="subject">Works</span> <br /> >> <strong>Is Part Of:</strong> >> <div property="partOfPeriodical" typeof="Periodical" resource="#pdl"> >> <span property="name">Cataloging & Classification >> Quarterly</span>, >> <span property="datePublished">2012</span>, >> Vol.<span property="volumeNumber">50</span>(<span >> property="issueNumber">5</span>),</div><div> >> p.<span property="pagination">360-368</span> [Peer Reviewed >> Journal]<br /> >> <strong>Description:</strong> <span property="description">The >> library catalog as a catalog of works was an infectious idea, which >> together with research led to reconceptualization in the form of the >> FRBR conceptual model. Two categories of lacunae emerge—the expression >> entity, and gaps in the model such as aggregates and dynamic documents. >> Evidence needed to extend the FRBR model is available in contemporary >> research on instantiation. The challenge for the bibliographic community >> is to begin to think of FRBR as a form of knowledge organization system, >> adding a final dimension to classification. The articles in the present >> special issue offer a compendium of the promise of the FRBR >> model.</span></div><br /> >> <div resource="#pdl"><strong>Publisher:</strong> >> <span property="publisher">Taylor & Francis Group</span><br /> >> <strong>Source:</strong> Routledge, Taylor & Francis Group<br /> >> <strong>ISSN:</strong> <span property="issn">0163-9374</span> ; >> <strong>E-ISSN:</strong> <span property="issn">1544-4554</span> >> ;</div> >> <strong>DOI:</strong> <a >> href="http://dx.doi.org/10.1080/01639374.2012.682254" >> property="url">10.1080/01639374.2012.682254</a> >> </div> >> >> - - - >8 - - - >> >> Check this out in <http://rdfa.info/play/> to see the data in action. >> >> The other is an attempt to use @itemref in microdata to do the same thing: >> >> - - - 8< - - - >> >> <div> >> <span itemscope itemtype="http://schema.org/Article" >> itemref="partof details"> >> <strong>Title:</strong><span itemprop="name"> Be Careful What You >> Wish For: FRBR, Some Lacunae, A Review</span><br /> >> <strong>Author:</strong> <span itemprop="author">Smiraglia, >> Richardp.</span><br /> >> <strong>Subjects:</strong> <span >> itemprop="subject">Catalog</span> ; <span >> itemprop="subject">Works</span> <br /> >> <strong>Is Part Of:</strong> >> </span> >> <div id="partof" itemprop="partOfPeriodical" itemscope >> itemtype="http://schema.org/Periodical" itemref="publ"> >> <span itemprop="name">Cataloging & Classification >> Quarterly</span>, >> <span itemprop="datePublished">2012</span>, >> Vol.<span itemprop="volumeNumber">50</span>(<span >> itemprop="issueNumber">5</span>),</div><div id="details"> >> p.<span itemprop="pagination">360-368</span> [Peer Reviewed >> Journal]<br /> >> <strong>Description:</strong> <span itemprop="description">The >> library catalog as a catalog of works was an infectious idea, which >> together with research led to reconceptualization in the form of the >> FRBR conceptual model. Two categories of lacunae emerge—the expression >> entity, and gaps in the model such as aggregates and dynamic documents. >> Evidence needed to extend the FRBR model is available in contemporary >> research on instantiation. The challenge for the bibliographic community >> is to begin to think of FRBR as a form of knowledge organization system, >> adding a final dimension to classification. The articles in the present >> special issue offer a compendium of the promise of the FRBR >> model.</span></div><br /> >> <div id="publ"><strong>Publisher:</strong> >> <span itemprop="publisher">Taylor & Francis Group</span><br /> >> <strong>Source:</strong> Routledge, Taylor & Francis Group<br /> >> <strong>ISSN:</strong> <span itemprop="issn">0163-9374</span> ; >> <strong>E-ISSN:</strong> <span itemprop="issn">1544-4554</span> >> ;</div> >> <strong>DOI:</strong> <a >> href="http://dx.doi.org/10.1080/01639374.2012.682254" >> itemprop="url">10.1080/01639374.2012.682254</a> >> </div> >> >> - - - >8 - - - >> >> This one became a bit more cumbersome, since @itemref is more tricky to >> use when markup is interweaved like this. >> >> (Granted, I am more acquainted with RDFa (unsurprisingly, being a member >> of the RDFa 1.1 WG). And I readily admit to favor the @resource >> mechanism in RDFa over @itemref in microdata. So I may have overlooked >> some trick to make it work better. There is also @itemid, which in >> theory is analogous to @resource. But I'm not sure whether it is good >> practice, or even valid, to use it repeatedly in the same manner.) >> >> Cheers, >> Niklas >> >> >> >> On Sun, Dec 8, 2013 at 10:09 PM, Karen Coyle <kcoyle@kcoyle.net >> <mailto:kcoyle@kcoyle.net>> wrote: >> >> All, >> >> Since there was interest I went ahead and did a first draft of a >> minimalist proposal. I believe I have designed it such that, given >> the flat nature of schema.org <http://schema.org>, it does not >> preclude the more complete proposal offered by Dan. >> >> http://www.w3.org/community/__schemabibex/wiki/Periodical___Article_minimal >> <http://www.w3.org/community/schemabibex/wiki/Periodical_Article_minimal> >> >> I did the examples there, and what with my limited coding skills, >> you should expect to find (and feel free to fix) errors. Hopefully >> the examples actually exemplify the proposal. At least, that was my >> intention. I'll do more validation and testing of them if I find time. >> >> All suggestions, comments, corrections welcome. >> >> kc >> -- >> Karen Coyle >> kcoyle@kcoyle.net <mailto:kcoyle@kcoyle.net> http://kcoyle.net >> m: 1-510-435-8234 <tel:1-510-435-8234> >> skype: kcoylenet >> >> > > -- > Karen Coyle > kcoyle@kcoyle.net http://kcoyle.net > m: 1-510-435-8234 > skype: kcoylenet >
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