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    <p>If you are really using N3 and not Turtle (which I doubt), you can use the <code>@is ... @of</code> keywords, like this:</p> <pre><code>:Person a rdfs:Class; @is a @of :Pat, :Bob, :Chris, :Cindy, :Suzy . </code></pre> <p>There are hardly any Turtle toolkit that allow this.</p> <p>There was also a long discussion thread on the <a href="http://lists.w3.org/Archives/Public/public-rdf-comments/" rel="noreferrer">public-rdf-comments@w3.org Mail Archives</a> about adding this functionality to <a href="http://www.w3.org/TR/2012/WD-turtle-20120710/" rel="noreferrer">Turtle</a> (which is currently published by the W3C as a Last Call Working Draft), starting with a <a href="http://lists.w3.org/Archives/Public/public-rdf-comments/2012Jul/0007.html" rel="noreferrer">comment by Tim Berners-Lee</a>. Then went a <a href="http://lists.w3.org/Archives/Public/public-rdf-comments/2012Aug/0032.html" rel="noreferrer">comment by Dave Beckett</a> asking for <em>not</em> including the feature, and a long thread again. Then went a good summary of the positions with a <a href="http://lists.w3.org/Archives/Public/public-rdf-comments/2012Aug/0053.html" rel="noreferrer">comment by Gavin Carothers</a>, editor of the Turtle spec in the current RDF Working Group.</p> <p>However, I doubt this will become a feature of Turtle when it's eventually standardised.</p> <p>BTW, what's the problem of having 20,000 records when it's all generated (and I guess, parsed) programmatically? If you need to exchange so much data over the network, you can easily compress it a lot. Or, you could use a compact serialisation syntax like <a href="http://www.w3.org/Submission/2011/03/" rel="noreferrer">HDT</a>, but there are few implementations.</p>
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