- From: John Black <JohnBlack@kashori.com>
- Date: Fri, 15 Jun 2007 10:51:04 -0400
- To: "Richard Cyganiak" <richard@cyganiak.de>
- Cc: "Bernard Vatant" <bernard.vatant@mondeca.com>, "Tim Berners-Lee" <timbl@w3.org>, <semantic-web@w3.org>
Richard Cyganiak wrote: > > On 15 Jun 2007, at 16:09, John Black wrote: >> Is it a part of the web / semweb architecture that: >> >> for all URI it is owl:sameAs the graph of the RDF/OWL downloaded >> via HTTP using that URI >> >> provided the HTTP path includes a 303 redirect > > No. An RDF graph is an information resource; 303 URIs are usually meant > to denote non-information resources. It's good practice though that the > provided RDF graph contains statements that help us to figure out what > the URI denotes. > >> and >> >> for all URI it is owl:sameAs the bits downloaded via HTTP using >> that URI >> >> provided an HTTP get returns 200 ok? > > No. A 200 URI doesn't denote the bits coming back; the bits are a > *representation* of the denoted information resource. One information > resource can have many representations in different languages and > formats. > Ok. Let me try again: Let denotatioOf(X) == the thing denoted by X Is it a part of the web / semweb architecture that: for all URI: denotationOf(URI) owl:sameAs denotationOf(graph of the RDF/OWL downloaded via HTTP using that URI) provided the HTTP path includes a 303 redirect and for all URI: denotationOf(URI) owl:sameAs denotationOf(bits downloaded via HTTP using that URI) provided the HTTP GET returns 200 ok? John > I suggest Roy Fielding's dissertation [1][2] as further reading, though > it is slightly out of date now, given the httpRange-14 compromise. > > Richard > > [1] http://www.ics.uci.edu/~fielding/pubs/dissertation/ > rest_arch_style.htm > [2] http://www.ics.uci.edu/~fielding/pubs/dissertation/evaluation.htm > > >> >> John >> >>> >>> -- >>> >>> *Bernard Vatant >>> *Knowledge Engineering >>> ---------------------------------------------------- >>> *Mondeca** >>> *3, cité Nollez 75018 Paris France >>> Web: www.mondeca.com <http://www.mondeca.com> >>> ---------------------------------------------------- >>> Tel: +33 (0) 871 488 459 >>> Mail: bernard.vatant@mondeca.com >>> <mailto:bernard.vatant@mondeca.com> >>> Blog: Leçons de Choses <http://mondeca.wordpress.com/> >>> >>> >>> >> >> >> >> > > >
Received on Friday, 15 June 2007 14:51:34 UTC