- From: Richard Cyganiak <richard@cyganiak.de>
- Date: Mon, 11 Apr 2011 18:23:55 +0100
- To: Steve Harris <steve.harris@garlik.com>
- Cc: RDF Working Group WG <public-rdf-wg@w3.org>, Ian Davis <me@iandavis.com>
On 11 Apr 2011, at 14:33, Steve Harris wrote: > I'm not sure in this situation you'd want example fragments to be handled as a named graph type of first class object, but maybe I'm missing the use-case. > > Suppose I write > > <some-schema> a :Schema ; > :example "@prefix some: <http://some.schema.example> .\n<bob> some:has <Thing> .\n" . > > Do I want those example triples to be accessible for e.g. in SPARQL queries? In this particular case I don't think so. > Or do I just want a convenient datatype to stash the literal text in RDF? Yes. It would be more … accurate … to declare explicitly that this literal is a Turtle literal. That's all. It's not a particularly powerful use case for graph literals, but a real one that I happened to come across. Best, Richard > > - Steve > > On 2011-04-08, at 11:32, Richard Cyganiak wrote: > >> I just had a conversation with Ian Davis on Twitter that yielded a use case for defining datatype IRIs for graph literals. I thought I'd share it as input into ISSUE-5 [1]. >> >> He uses Turtle snippets as literals in SchemaPedia [2]. SchemaPedia is a site that helps find RDF vocabularies, and it lists example usage snippets for the vocabularies. The site's back-end is RDF-based. Turtle literals are used to store the examples, as well as change events when examples are modified. See [3] for a typical change event. >> >> Currently Ian uses plain literals, because no datatype was readily available. >> >> The idea of abusing Ivan's format URIs from [4] came up. >> >> Best, >> Richard >> >> >> [1] http://www.w3.org/2011/rdf-wg/track/issues/5 >> [2] http://schemapedia.com/ >> [3] http://api.talis.com/stores/openvocab/meta?about=http://open.vocab.org/changes/f07ca76699a536dd38b5cbbbe1ba181d&output=rdf >> [4] http://www.w3.org/ns/formats/ > > -- > Steve Harris, CTO, Garlik Limited > 1-3 Halford Road, Richmond, TW10 6AW, UK > +44 20 8439 8203 http://www.garlik.com/ > Registered in England and Wales 535 7233 VAT # 849 0517 11 > Registered office: Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD >
Received on Monday, 11 April 2011 17:24:25 UTC