- From: Libby Miller <Libby.Miller@bristol.ac.uk>
- Date: Tue, 3 Aug 2004 16:16:26 +0100 (BST)
- To: Lisa Seeman <lisa@ubaccess.com>
- Cc: Libby Miller <Libby.Miller@bristol.ac.uk>, www-rdf-interest@w3.org
On Tue, 3 Aug 2004, Lisa Seeman wrote: > > Sure, > (it is actually what i have been doing, but someone was saying that I am > doing it wrong so I thought I should check up on myself) > > I am defining what the role is of different stuff found on a web page. > (so that i can render it more accessibly to the user device and preference) > > So for example, I may want to say, "this link has content type of a site map > link", > > where " this link" is the subject and a xpointer to any links to > contacts.html on the site, "has content type" is the predicate and a "site > map link" is the object. > > (I can then do fun stuff like assign an access key "s" or "k" if the user > is a Russian speaker, or render it as an icon of a site map -consistently > across sites...) > > now for my check up.... > > The object "site map link" is not a literal, ore a URI to some definition > in HTML but is actually a URI to an instances of a class (or actually a > derived subclass) done in RDF Schema. > This way i can define what a sitemap link is a clear and useful and > extendable way. > e.g. > site map link, is an instance of a standard web link which is a derived > class of link which is a derived class of content type. ok I think I understand, bear with me... > > That way , if someone else is using my types, and has never heard of a > sitemap link, they can know that it is a type of standard web link, so they > can treat it like all other standard web links (maybe assign an access key > in sequence). I can also use OWL and require of all content types at least > one name and a description. > > So back to my triple > > "this link has content type of a site map link" http://example.com/contactus.html lisa:contentType lisa:SiteMapLink and lisa:SiteMapLink rdfs:subclass lisa:HTMLLink I might be totally off the wall here....but I don't think you could do it like this, because it's the act of linking the the url you're interested in, not the page that the link refers to. > > 1, " this link" is the subject and a xpointer to any links to > contactus.html on the site, right so this makes sense to me. You'd have http://example.com/page1.html/*/h:a/[@href=contactus.html] lisa:contentType lisa:SiteMapLink (sorry, that pathetic stab at an xpointer is probably completely wrong) > 2, "has content type" is the predicate and is defined as a Property an RDF > schema > 3 a "site map link" is the object and is itself an instance of a subclass > all defined in an RDF schema. I think this is how I would do it. > > On the other hand , my friend, (who is probably brighter then me, so I > should at least entertain the possibility that he is right) is saying I > should change the following: > > 2, "has content type" is the predicate and is defined as a CLASS in an RDF > schema > 3 a "site map link" is the object and should be defined in an XML > restricted language. I'm not sure about this. I think I'd do it your way. But I could be wrong! > > I don't want do this because I think it is less extendable. > > Thanks Libby, and keep well you too! hope that helps... Libby > ----- Original Message ----- > From: "Libby Miller" <Libby.Miller@bristol.ac.uk> > To: "Lisa Seeman" <lisa@ubaccess.com> > Cc: <www-rdf-interest@w3.org> > Sent: Tuesday, August 03, 2004 9:36 AM > Subject: Re: In or out of line? > > >> >> >> hi Lisa >> >> On Mon, 2 Aug 2004, Lisa Seeman wrote: >> >>> I have a controversial question hear (ok, maybe it is not that > controversial) >>> >>> I am thinking of using RDF instances from schema as objects of a >> triple as appose to being used as predicates. >>> The reason I am doing that is because i want the objects themselves >> to have clear relationships, be extendable etc . >> >> Could you give some specific examples of what you want to do? >> >> Libby >> > > >
Received on Tuesday, 3 August 2004 11:18:55 UTC