- From: Williams, Stuart (HP Labs, Bristol) <skw@hp.com>
- Date: Tue, 5 Feb 2008 11:14:21 +0000
- To: Jonathan Rees <jar@creativecommons.org>, "public-awwsw@w3.org" <public-awwsw@w3.org>
Hello Jonathan, Given our other thread, I thought that it would be more helpful to respond wrt to your framing to see how close to this page I can get... > -----Original Message----- > From: public-awwsw-request@w3.org > [mailto:public-awwsw-request@w3.org] On Behalf Of Jonathan Rees > Sent: 03 February 2008 15:49 > To: public-awwsw@w3.org > Subject: A page upon which to get > > > I'd like to get us onto the same page with regard to basic approach. > Here is my attempt, which is about as neutral as I know how > to make it, to articulate just what that same page should be. > I know that if you substantially disagree you will speak up... > > - We're having a hard time getting past terminology and philosophy > and toward making RDF statements. This was expected; the > discussion was stimulated by efforts to write RDF and inference > rules. A bit of time on foundations seems to be in order. We > should attempt to agree to disagree when necessary, so that we can > move away from preliminaries and forward to RDF. Ok... > - 'Resource' is not a category > . TAG members seem to disagree on the meaning of 'resource'... Maybe... not sure... and maybe not just the TAG. > . but what it means, or whether it's a category, doesn't matter for > AWWSW since the question does not bear on AWWSW's goal of > producing RDF Willing to try that as a premise. > . 'thing' = rdfs:Resource is proposed as the uninformative > 'anything' category. rdfs:Resource is not (necessarily) > the same as 'resource' sensu AWWW, RFC2616, or Fielding Ok... yes 'thing' == rdfs:Resource at least as a working assumption. > . Other classes will be harvested or synthesized as needed for > AWWSW purposes > > - 'Representation' is not a category > . We will not attempt a 'representation' class for use in RDF > . Can we agree that there should be RDF-expressible relationships > (including perhaps 'something:represents' and 'log:uri') among URIs, > the things we retrieve upon doing GETs, and the > things named by the URIs, without immediately going into the > details of what the relationships are? > . If so, it will be useful to have a category (maybe more than > one) for the things we retrieve, the things that potentially play > the role of "representation". Tim has proposed > http:ResponseMessage. JAR has proposed rfc2616:Entity. > This distinction is not important and consideration of the > choice can be postponed. Ok... > > - Recording the 'facts' of an HTTP interaction (e.g. what the status > code was) (a) is not very interesting, (b) does not qualify as > "inference", (c) is necessary for the expression of prerequisites to > rules of the sort to be explored by AWWSW. Ok... agreed. > When we write down > these 'facts' we may give URIs to things that we need to talk about, > such as messages and entities. Ordinarily these things wouldn't have > URIs. It doesn't matter much whether these > things are "information resources", except insofar as this bears > on the issue of defining "information resource", which is a different > question. > > - Substantial inferences from HTTP interactions are subject to the > agent's trust filter. (JAR says: Some questions of interest to > such filters are: Is the site I'm talking to following RFC2616? Is > it following web architecture (AWWW)? It is important to > understand what fallacies could arise if the agent thought "yes" > when the reality was "no".) > > Some of the major issues hanging. Punt if (and only if) possible. > > - What class is the range of "represents" and how should it be defined > - What is the role and import of contradictions in the AWWSW project > > Proposed path forward > > - Activities in progress and to be continued: (TimBL & David Booth > have contributed) > . Inferences & contradictions from headers. (To what extent is > trust required in order to make these inferences?) > . Inferences & contradictions from content. (Factual statements > about content are uncontroversial; belief in interpretations of > what the content "says" are necessarily subject to trust policy.) > . Specification of what it means to be a well-behaved > (trustworthy) server Ok... I think. Regards Stuart
Received on Tuesday, 5 February 2008 11:17:02 UTC