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Re: How do you flag a resource which is not available anymore?

From: Simon Spero <sesuncedu@gmail.com>
Date: Mon, 2 Jun 2014 13:31:48 -0400
Message-ID: <CADE8KM7a_37pA7f1zTiTV0UoM+hUwQ0NrcDtL3tvvLswwcsGBg@mail.gmail.com>
To: Bernard Vatant <bernard.vatant@mondeca.com>
Cc: "Jim Hendler (RPI)" <hendler@cs.rpi.edu>, W3C Web Schemas Task Force <public-vocabs@w3.org>
And the flip side, when the domain name changes with no machine readable
way of finding the new location (e.g. lemon-model.net)...

Sigh
On Jun 2, 2014 12:50 PM, "Bernard Vatant" <bernard.vatant@mondeca.com>
wrote:

> Karen, Kingsley
>
> Sorry, rant ahead :)
>
> HTTP URIs are both identifiers and locators and there are thousands of
> pages expanding at length on what they mean or not, etc. I don't want to go
> again in this permathread of URI meaning. Just want a name to flag clearly
> a situation which will be more and more frequent, and which semantic web
> actors just plainly ignore or even contribute to create. See below.
>
> Please look at just the following example, and tell me what is your
> concrete proposal, beyond all theory.
>
> http://lov.okfn.org/dataset/lov/details/vocabulary_geof.html
>
> A backup version of the vocabulary is available at
> http://lov.okfn.org/dataset/lov/agg/archives/dir_geof/file_geof_2004-02-20.n3
>
> Now look at what the vocabulary
> http://www.mindswap.org/2003/owl/geo/geoFeatures20040307.owl is currently
> dereferencing to.
> It's 100 times worse than having a 404. It's nothing to do with temporary
> failure, mindswap.org which used to host a wealth of precious resources
> for the Semantic Web (see
> http://www.cs.rpi.edu/~hendler/presentations/Harvard-IIC-05.pdf) is
> currently a domain to sale with a garbage placeholder for any URI
> http://www.mindswap.org/whatever-goes-here. And the devil knows who is
> going to buy it tomorrrow and what the content will be.
>
> OK the future is unknown, but in that case I can bet anything you want
> that this domain will never ever come back to its original owner and the
> URIs as geof restored in line, because the original domain owner is linked
> to a project which is over for quite a while.
>
> I would be curious to have the take of Jim Hendler on this, since he was
> the leader of mindswap project. Any chance to catch the domain back?
>
> See also aktors.org, which is for sale, and down the semantic drain goes
> AKT ontology, with all the data using it after 10 years online
> http://lov.okfn.org/dataset/lov/details/vocabulary_akt.html
>
> What I want is a quick-and-dirty way to show this to the face of the world.
>
> Best regards
>
> Bernard
>
>
>
>
> 2014-06-02 17:33 GMT+02:00 Kingsley Idehen <kidehen@openlinksw.com>:
>
>>  On 6/2/14 11:03 AM, Karen Coyle wrote:
>>
>> Bernard, the difference seems to be that I do not consider the URI to be
>> dead, only the information that the URI points to. The URI no longer
>> functions **also** as a URL -- it no longer locates, but it still
>> identifies. [*]
>>
>>
>> +1
>>
>> The Term has be downgraded to a Word :-)
>>
>> [1] http://www.wikihow.com/Differentiate-Between-a-Term-and-a-Word
>>
>> --
>>
>> Regards,
>>
>> Kingsley Idehen	
>> Founder & CEO
>> OpenLink Software
>> Company Web: http://www.openlinksw.com
>> Personal Weblog: http://www.openlinksw.com/blog/~kidehen
>> Twitter Profile: https://twitter.com/kidehen
>> Google+ Profile: https://plus.google.com/+KingsleyIdehen/about
>> LinkedIn Profile: http://www.linkedin.com/in/kidehen
>>
>>
>>
>>
>
>
> --
>
> *Bernard Vatant*
> Vocabularies & Data Engineering
> Tel :  + 33 (0)9 71 48 84 59
> Skype : bernard.vatant
> http://google.com/+BernardVatant
> --------------------------------------------------------
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>
Received on Monday, 2 June 2014 17:32:16 UTC

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