Re: Linked Data and Semantic Web CoolURIs, 303 redirects and Page Rank.

On 23/07/2014 21:49, "Kingsley Idehen" <kidehen@openlinksw.com> wrote:

>On 7/23/14 3:40 PM, Michael Smethurst wrote:
>> Hi Kingsley
>>
>> Very definitely starting to feel like deja vu...
>>
>> On 23/07/2014 20:18, "Kingsley Idehen"<kidehen@openlinksw.com>  wrote:
>>
>>> >On 7/23/14 2:05 PM, Michael Smethurst wrote:
>>>> >>For internal usage it's all probably fine. But I still think it's a
>>>> >>pattern that shouldn't be generally encouraged.
>>> >
>>> >Its a "horses for courses" matter:-)
>>> >
>>> >If you choose to use hashless HTTP URIs in regards to entity
>>>denotation,
>>> >you have to make the extra investment required (via 303 heuristics)
>>>for
>>> >entity disambiguation [1].
>> My only point is: if you don't conflate "I can't send that" (303) with
>> "what flavour would you like" (conneg) you don't have to invest in more
>> servers
>>
>>> >
>>> >Note, there are changes to HTTP that also reduce some of the confusion
>>> >in this realm. For instance the use "Content-Location:" response
>>>headers
>>> >to aid disambiguation [2].
>> We do use content location for the (information) resource /
>>representation
>> split but that's REST not 303 semantics
>>
>> michael
>
>There is only one kind of relation semantics in play here, and its the
>semantics of denotation and connotation [1][2].

Tho derrida didn't have to pay for servers :-/

> HTTP URIs denote things.

Which can't be served (303)

> 
>HTTP URLs denote documents comprised of connotation bearing content.

Which can be served in assorted representations (conneg (+ content
location))

Think the last time we had this conversation we broke the twitter scroll
bar and agreed to disagree. Or at worst misunderstand :-)

michael
>
>In regards, to the current BBC programmes URIs, if you incorporate RDFa,
><link/>, or "Link:" based relations, disambiguation without 303's or
>content negotiation is possible. RDF user agents (for example) will be
>able to make sense of the relations that that collective describe
>documents about programmes and actual programmes.
>
>Links:
>
>[1] http://bit.ly/what-does-this-bbc-programmes-uri-denote -- Vapour
>using RDF semantics discern what
><http://www.bbc.co.uk/programmes/b006mw1h> denotes and connotes
>
>[2] http://bit.ly/what-does-this-bbc-programmes-doc-url-denote -- ditto
>but targeting <http://www.bbc.co.uk/programmes/b006mw1h.rdf> .
>
>-- 
>Regards,
>
>Kingsley Idehen	
>Founder & CEO
>OpenLink Software
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>
>

Received on Wednesday, 23 July 2014 21:16:06 UTC