W3C home > Mailing lists > Public > www-rdf-interest@w3.org > March 2004

Re: RULE vs MGET

From: Patrick Stickler <patrick.stickler@nokia.com>
Date: Wed, 10 Mar 2004 14:04:26 +0200
Message-Id: <13A2F1D8-728B-11D8-964D-000A95EAFCEA@nokia.com>
Cc: ext Phil Dawes <pdawes@users.sourceforge.net>, www-rdf-interest@w3.org
To: "ext Benja Fallenstein" <b.fallenstein@gmx.de>


On Mar 10, 2004, at 13:52, ext Benja Fallenstein wrote:

>
>
> Patrick Stickler wrote:
>>>> (2) it violates the principle of URI opacity
>>>
>>>
>>> Is this a real-world problem? robots.txt violates the principal of
>>> URI opacity, but still adds lots of value to the web.
>> And it is frequently faulted, and alternatives actively discussed.
>> In fact, now that you mention it, I see URIQA as an ideal replacement
>> for robots.txt in that one can request a description of the root
>> web authority base URI, e.g. 'http://example.com' and recieve a
>> description of that site, which can define crawler policies in
>> terms of RDF in a much more effective manner.
>
> That would carry over one of the reasons why we need a replacement for 
> robots.txt: that its notion of 'web site' is bad. If somebody 
> maintains a website for some project at 
> http://someuniversity/~name/projectname/, that site should be able to 
> have e.g. robot exclusion information without convincing the 
> university's web server admins or purchasing a domain name. See
>
>     http://www.tbray.org/ongoing/When/200x/2004/01/08/WebSite36
>
> The above proposes a Website: header containing an RDF URI. With 
> URIQA, you could do an MGET on a page to discover its site, then do an 
> MGET on that URI to find out about its robots policy.

Exactly.

> But doing an MGET on the root URI of the domain would be really flawed.
>

Fair enough.

Still, the main point is that URIQA actually provides alot of 
functionality
for alot of application areas having to do with general knowledge 
discovery.

Need I mention Web Services....

Cheers,

Patrick


--

Patrick Stickler
Nokia, Finland
patrick.stickler@nokia.com
Received on Wednesday, 10 March 2004 07:04:32 UTC

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