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Re: Metadata Element Set Cloud

From: Antoine Isaac <aisaac@few.vu.nl>
Date: Wed, 20 Apr 2011 11:34:22 +0200
Message-ID: <4DAEA89E.9040804@few.vu.nl>
To: Bernard Vatant <bernard.vatant@mondeca.com>
CC: Thomas Baker <tbaker@tbaker.de>, Jodi Schneider <jodi.schneider@deri.org>, public-xg-lld <public-xg-lld@w3.org>
Bernard, Tom, Jodi,

Thanks a lot for your feedback on this!
  
> Good news is that I'm still alive and lurking at what is going on in LLD, if not more ...
> "It depends what the arrow means.". Indeed! That's why with VOAF we have tried to explicit different meaning of arrows linking vocabularies.
> See http://labs.mondeca.com/vocab/voaf/index.html#reliesOn and following properties.
>
> I would be happy to see this vocabulary reused/criticized/augmented here.


In fact we want to make our own LLD version of the LOV cloud, which in principle should imply re-using the data you've assembled, checking it, completing it... or simplify it :-)
We'll of course keep everyone posted, *if* we manage to find time for this.


> See e.g. graphics at
> http://labs.mondeca.com/dataset/lov/details/vocabulary_dcmitype.html
> http://labs.mondeca.com/dataset/lov/details/vocabulary_event.html
> To see different flavours of links. Actually arrows are often confusing so we decided to have a graph for in links and another for out links, and colors on the vocabularies referencing and referenced by the current vocabularies following the "meaning" of links.
>
> When a vocabulary has several different ways to be linked to the current one, it appears more that one. This is a bit suboptimal.
> And of course with more than 100 vocabularies now, the most popular ones such as FOAF, DC or SKOS already meet a problem of scalability of the graph ...


I have some hope that if we restrict it to the smaller sets of vocabularies used in our cases [1], it will remain manageable.

Antoine

[1] http://www.w3.org/2005/Incubator/lld/wiki/Vocabulary_and_Dataset#Metadata_element_sets_published_as_Semantic_Web_ontologies

>
> 2011/4/13 Thomas Baker <tbaker@tbaker.de <mailto:tbaker@tbaker.de>>
>
>     On Wed, Apr 13, 2011 at 03:05:40PM +0100, Jodi Schneider wrote:
>      > From the perspective of giving an overview, I especially like the "cloud" mockup, where an arrow means that a vocabulary is being used in another. (I'd consider switching the direction of the arrows, but maybe that's just me!)
>      > http://www.w3.org/2005/Incubator/lld/wiki/File:LLD-MetadataElementSetCloudMock.png
>
>     I guess it depends what the arrow means. I read it as meaning "references", so
>     the direction of the arrows looks correct to me.
>
>     Tom
>
>     --
>     Tom Baker <tbaker@tbaker.de <mailto:tbaker@tbaker.de>>
>
>
>
>
> --
> Bernard Vatant
> Senior Consultant
> Vocabulary & Data Integration
> Tel: +33 (0) 971 488 459
> Mail: bernard.vatant@mondeca.com <mailto:bernard.vatant@mondeca.com>
> ----------------------------------------------------
> Mondeca
> 3, cité Nollez 75018 Paris France
> Web: http://www.mondeca.com
> Blog: http://mondeca.wordpress.com
> ----------------------------------------------------
Received on Wednesday, 20 April 2011 09:32:48 GMT

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