- From: Tim Berners-Lee <timbl@w3.org>
- Date: Wed, 29 Jan 2003 22:10:50 -0500
- To: Mark Baker <distobj@acm.org>
- Cc: Roy Fielding <fielding@apache.org>, www-archive@w3.org
On Tuesday, Jan 28, 2003, at 23:41 US/Eastern, Mark Baker wrote: > You know, while reading Tim's discussion of returned representations, > and thinking through whether caching breaks in TimBL's model, I think > I've come to an important conclusion; there is no difference between > saying that a URI identifies a car, versus saying that it identifies a > "conceptual work" about the car. > > The reason I believe this is because if you have URIs for each of the > above, any client would be unable to distinguish between the two > because > the returned representations would be identical for all time. By > definition (in the REST model, at least), those URIs identify the same > resource. You got it. There is no difference - to a web browser, or proxy or server. That's why the two positions have been arbitrary and Roy and I have not had to sort this out till now. That's because web browsers don't think about cars. There is a big difference to an inference engine which has been told that its both! > I think the only harm here, is when it isn't recognized that they're > the > same, and unnecessary URIs are created. > > MB > -- > Mark Baker. Ottawa, Ontario, CANADA. http://www.markbaker.ca > Web architecture consulting, technical reports, evaluation & analysis
Received on Wednesday, 29 January 2003 22:10:29 UTC