- From: Peter Ansell <ansell.peter@gmail.com>
- Date: Thu, 9 Jul 2009 16:56:44 +1000
- To: Juan Sequeda <juanfederico@gmail.com>
- Cc: Linked Data community <public-lod@w3.org>
2009/7/9 Juan Sequeda <juanfederico@gmail.com>: > On Jul 9, 2009, at 2:25 AM, Hugh Glaser <hg@ecs.soton.ac.uk> wrote: >> On 09/07/2009 00:38, "Toby A Inkster" <tai@g5n.co.uk> wrote: >> >>> On 8 Jul 2009, at 19:58, Seth Russell wrote: >>> >>>> Is it not true that everything past the hash (#alice) is not >>>> transmitted back to the server when a browser clicks on a >>>> hyperlink ? If that is true, then the server would not be able to >>>> serve anything different if a browser clicked upon http:// >>>> example.com/foaf.rdf or if they clicked upon http://example.com/ >>>> foaf.rdf#alice . >>> >>> Indeed - the server doesn't see the fragment. >>> >>>> If that is true, and it probably isn't, then is not the Semantic >>>> Web crippled from using that techniqe to distinguish between >>>> resources and at the same time hyper linking between those >>>> different resources? >>> >>> >>> Not at all. >>> >>> Is the web of documents crippled because the server can't distinguish >>> between requests for http://example.com/document.html and http:// >>> example.com/document.html#part2 ? Of course it isn't - the server >>> doesn't need to distinguish between them - it serves up the same web >>> page either way and lets the user agent distinguish. >>> >>> Hash URIs are very valuable in linked data, precisely *because* they >>> can't be directly requested from a server - they allow us to bypass >>> the whole HTTP 303 issue. >> >> Mind you, it does mean that you should make sure that you don't put too >> many >> LD URIs in one document. >> If dbpedia decided to represent all the RDF in one document, and then use >> hash URIs, it would be somewhat problematic. > > Could you explain why??? Does it seem reasonable to have to trawl through millions (or billions) of RDF triples resolved from a large database that only used one base URI with fragment identifiers for everything else if you don't need to considering that 100 specific RDF triples in a compact document might have been all you needed to see? Peter
Received on Thursday, 9 July 2009 07:08:59 UTC