Re: URI itself is a resource?

I would simply say that a URI is a literal of type xsd:anyURI.

Don't mix the identifier (sign) and the object or concept.

Martin



On May 6, 2011, at 12:06 PM, Pierre-Antoine Champin wrote:

> On 05/05/2011 06:44 PM, Jitao Yang wrote:
>> Thank you! But I am a little bit confused that:
>> 
>> On Thu, May 5, 2011 at 19:05, Pierre-Antoine Champin
>> <swlists-040405@champin.net <mailto:swlists-040405@champin.net>> wrote:
>> 
>>    On 05/02/2011 10:33 AM, Jitao Yang wrote:
>>> Dear all,
>>> 
>>> In [1], "the term "resource" is used in a general sense for whatever
>>> might be identified by a URI". Then is URI itself a resource or
>>    not? > If a URI can be identified by another URI?
>> 
>>    Well, anything you can talk about and identify can be considered a
>>    resource. URIs are no exception. However...
>> 
>>> Such as: I have a webpage W-1,
>>> and I move to a new webpage W-2, whenever people click W-1, then
>>    it will
>>> redirect to W-2 automatically. Therefore, can we consider W-1 as an
>>> identifier of W-2?
>> 
>>    No... The fact that HTTP-GETting W-1 issues a 3xx Redirect to W-2 does
>>    not by any mean allow you to infer that W-1 identifies the URI W-2 -- or
>>    the resource identified by W-2, for that matter...
>> 
>> 
>> from [1], the 303 response is "A URI", if we can not infer: "W-1
>> identifies the URI W-2", then W-1 identifies what? And could you please
>> give me an example on one identifier identifies another identifier?
>> Thank you!
> 
> again, there is a difference between
> * what you obtain when performing a HTTP GET on a URI, and
> * the resource that is identified by that URI
> 
> For example, <http://dbpedia.org/resource/Paris> identifies a *french
> city*, even if HTTP-GETting it issues a 303 redirect to another URI.
> 
> Similarly <http://www.w3.org/> identifies a web page (i.e. an
> information resource that evolve in time, has a HTML *and* an XHTML
> representation...), while HTTP-GETting it issues a string that is the
> HTML serialization of a the current state of that resource, *not* the
> resource itself.
> 
>  pa
> 
>> 
>> Best regards,
>> Jitao
>> 
>> 
>>    The only inferences that you can make from HTTP respones about what a
>>    URI identifies are listed in [1].
>> 
>>     pa
>> 
>>    [1]
>>    http://www.w3.org/2001/tag/doc/httpRange-14/2007-05-31/HttpRange-14#ref-deref-table
>> 
>>> 
>>> [1] http://tools.ietf.org/html/rfc3986
>>> 
>>> Thanks,
>>> Jitao
>> 
>> 
> 
> 

Received on Friday, 6 May 2011 22:23:07 UTC