- From: Graham Klyne <GK@ninebynine.org>
- Date: Fri, 10 Sep 2004 11:35:40 +0100
- To: www-tag@w3.org
This reminds me... I think there's a paper by Jeffrey Mogul somewhere which re-examines some concepts in this area... Ah, here it is... http://www2002.org/CDROM/refereed/444/ #g -- At 16:11 09/09/04 -0700, Roy T. Fielding wrote: >>>Assertions that http://xmlns.com/wordnet/1.6/Hoary_Marmot is a web >>>page or has a particular creator or last modified date or >>>what-have-you are inconsistent. >> >>How could web client software not have such assertions interally, >>whether or not expressed as RDF? My RDF web client software [2], >>infers exactly that when I use that URI. It says to itself, "that's a >>nice looking URI... maybe I can dereference it and learn >>something... oh, cool, I can... so a Hoary_Marmot is a kind of >>Marmot... meanwhile, we got back some HTTP headers; let's remember >>the expiration time so we can refresh it when it expires...." > >Just to clarify, HTTP metadata can be thought of as a set of properties >with (mostly) well-defined targets. For example, Expires is not saying >anything about the resource identified by that URI. It is representation >metadata, an entity-header, that defines a property of the particular >representation included in the message (or by inference in the case >of 304). > >....Roy ------------ Graham Klyne For email: http://www.ninebynine.org/#Contact
Received on Friday, 10 September 2004 11:00:43 UTC