Hoi, This is indeed immensely satisfying. In this representation we find the connections between Wikidata and other websites. It helps explain how such a connection benefits both sides of a connection. Is there a place where this is explained in more detail?

What I am missing in all of this is a link between Wikidata and DBpedia. It is well known that DBpedia ingests all Wikidata items and it will help when this is raised to a level where it is also included in this representation. Thanks, GerardM

On 12 June 2018 at 09:40, Ettore RIZZA ettorerizza@gmail.com wrote:

Thank you very much everybody. There is something strangely satifying to see this big bubble next to Dbpedia.

[image: wikidata.jpg] ​ Cheers,

Ettore Rizza

Le lun. 11 juin 2018 à 17:17, Léa Lacroix lea.lacroix@wikimedia.de a écrit :

...

Hello all,

Thanks to Lucas who filled the necessary requirements, Wikidata now appears in the LOD cloud graph: http://lod-cloud.net

Currently, the graph doesn't display all the actual connections of Wikidata. The only connections that show up are the properties that link to other projects or databases, and having a specific statement on them to link to an RDF endpoint.

If you see something missing, you can contribute by adding the statement “formatter URI for RDF resource” on properties where the resource supports RDF (example https://www.wikidata.org/wiki/Property:P214#P1921).

You can learn more about the procedure to update the graph and a list of the existing and missing datasets here https://www.wikidata.org/wiki/User:Lucas_Werkmeister_(WMDE)/LOD_Cloud,

Thanks to Lucas and John for making this happening!

-- Léa Lacroix Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207. _______________________________________________ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Hoi, Sadly that address is not available.. at this time. Thanks, GerardM

On 12 June 2018 at 10:05, Ettore RIZZA ettorerizza@gmail.com wrote:

Hi,

The most detailed explanation I could find is in the first versions of the diagram: https://web.archive.org/web/20111229204147/http://www4.wiwiss.fu-berlin.de:8... lodcloud / state / 2010-10_index.html

Le mar. 12 juin 2018 à 09:47, Gerard Meijssen gerard.meijssen@gmail.com a écrit :

...

Hoi, This is indeed immensely satisfying. In this representation we find the connections between Wikidata and other websites. It helps explain how such a connection benefits both sides of a connection. Is there a place where this is explained in more detail?

What I am missing in all of this is a link between Wikidata and DBpedia. It is well known that DBpedia ingests all Wikidata items and it will help when this is raised to a level where it is also included in this representation. Thanks, GerardM

On 12 June 2018 at 09:40, Ettore RIZZA ettorerizza@gmail.com wrote:

...

Thank you very much everybody. There is something strangely satifying to see this big bubble next to Dbpedia.

[image: wikidata.jpg] ​ Cheers,

Ettore Rizza

Le lun. 11 juin 2018 à 17:17, Léa Lacroix lea.lacroix@wikimedia.de a écrit :

...

Hello all,

Thanks to Lucas who filled the necessary requirements, Wikidata now appears in the LOD cloud graph: http://lod-cloud.net

Currently, the graph doesn't display all the actual connections of Wikidata. The only connections that show up are the properties that link to other projects or databases, and having a specific statement on them to link to an RDF endpoint.

If you see something missing, you can contribute by adding the statement “formatter URI for RDF resource” on properties where the resource supports RDF (example https://www.wikidata.org/wiki/Property:P214#P1921).

You can learn more about the procedure to update the graph and a list of the existing and missing datasets here https://www.wikidata.org/wiki/User:Lucas_Werkmeister_(WMDE)/LOD_Cloud,

Thanks to Lucas and John for making this happening!

-- Léa Lacroix Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207. _______________________________________________ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

Hoi, Having a place where LOD is explained is quite helpful. It would be great when a (update?) is available and properly linked. This could be in a Wikipedia article, an article maybe more technical and targeted towards Wikidata or maybe an update at the original site.. Thanks, GerardM

On 12 June 2018 at 10:30, Ettore RIZZA ettorerizza@gmail.com wrote:

Sorry, here is the good link:

https://web.archive.org/web/20111229204147/http://www4. wiwiss.fu-berlin.de:80/lodcloud/state/2010-10_index.html

Le mar. 12 juin 2018 à 10:18, Gerard Meijssen gerard.meijssen@gmail.com a écrit :

...

Hoi, Sadly that address is not available.. at this time. Thanks, GerardM

On 12 June 2018 at 10:05, Ettore RIZZA ettorerizza@gmail.com wrote:

...

Hi,

The most detailed explanation I could find is in the first versions of the diagram: https://web.archive.org/web/20111229204147/http://www4.wiwiss.fu-berlin.de:8... lodcloud / state / 2010-10_index.html

Le mar. 12 juin 2018 à 09:47, Gerard Meijssen gerard.meijssen@gmail.com a écrit :

...

Hoi, This is indeed immensely satisfying. In this representation we find the connections between Wikidata and other websites. It helps explain how such a connection benefits both sides of a connection. Is there a place where this is explained in more detail?

What I am missing in all of this is a link between Wikidata and DBpedia. It is well known that DBpedia ingests all Wikidata items and it will help when this is raised to a level where it is also included in this representation. Thanks, GerardM

On 12 June 2018 at 09:40, Ettore RIZZA ettorerizza@gmail.com wrote:

...

Thank you very much everybody. There is something strangely satifying to see this big bubble next to Dbpedia.

[image: wikidata.jpg] ​ Cheers,

Ettore Rizza

Le lun. 11 juin 2018 à 17:17, Léa Lacroix lea.lacroix@wikimedia.de a écrit :

...

Hello all,

Thanks to Lucas who filled the necessary requirements, Wikidata now appears in the LOD cloud graph: http://lod-cloud.net

Currently, the graph doesn't display all the actual connections of Wikidata. The only connections that show up are the properties that link to other projects or databases, and having a specific statement on them to link to an RDF endpoint.

If you see something missing, you can contribute by adding the statement “formatter URI for RDF resource” on properties where the resource supports RDF (example https://www.wikidata.org/wiki/Property:P214#P1921).

You can learn more about the procedure to update the graph and a list of the existing and missing datasets here https://www.wikidata.org/wiki/User:Lucas_Werkmeister_(WMDE)/LOD_Cloud,

Thanks to Lucas and John for making this happening!

-- Léa Lacroix Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207. _______________________________________________ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata

Maarten Dammers, 27/06/2018 23:26:

Excellent news! https://lod-cloud.net/dataset/wikidata seems to contain the info in a more human readable (and machine readable) way. If we add some URI link, does it automagically appear or does Lucas has to do some manual work? I assume Lucas has to do some manual work.

I'd also be curious what to do when a property does not have a node in the LOD cloud, for instance P2948 is among the 77 results for P1921 but I don't see any corresponding URL in http://lod-cloud.net/versions/2018-30-05/lod-data.json

Federico

Agree - I was browsing it yesterday and could not find Wikidata in the map

On Fri, Jun 29, 2018 at 9:13 AM Maarten Dammers maarten@mdammers.nl wrote:

Looks like after the last update Wikidata dropped out again? https://lod-cloud.net/versions/2018-30-05/lod-data.json contains Wikidata, but in https://lod-cloud.net/lod-data.json it seems to be currently missing, it does list Wikidata as a target in some other sets.

CCed the maintainer.

Maarten

On 27-06-18 22:26, Maarten Dammers wrote:

Hi Léa and Lucas,

Excellent news! https://lod-cloud.net/dataset/wikidata seems to contain the info in a more human readable (and machine readable) way. If we add some URI link, does it automagically appear or does Lucas has to do some manual work? I assume Lucas has to do some manual work. I would suggest you document this somewhere more central so we don't have to bother Lucas all the time for updates. Do you already have a phabricator task for that?

Maarten

On 11-06-18 17:17, Léa Lacroix wrote:

Hello all,

Thanks to Lucas who filled the necessary requirements, Wikidata now appears in the LOD cloud graph: http://lod-cloud.net

Currently, the graph doesn't display all the actual connections of Wikidata. The only connections that show up are the properties that link to other projects or databases, and having a specific statement on them to link to an RDF endpoint.

If you see something missing, you can contribute by adding the statement “formatter URI for RDF resource” on properties where the resource supports RDF (example https://www.wikidata.org/wiki/Property:P214#P1921).

You can learn more about the procedure to update the graph and a list of the existing and missing datasets here https://www.wikidata.org/wiki/User:Lucas_Werkmeister_%28WMDE%29/LOD_Cloud,

Thanks to Lucas and John for making this happening!

-- Léa Lacroix Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207.

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Wikidata mailing listWikidata@lists.wikimedia.orghttps://lists.wikimedia.org/mailman/listinfo/wikidata

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Wikidata mailing listWikidata@lists.wikimedia.orghttps://lists.wikimedia.org/mailman/listinfo/wikidata

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I guess Wikidata disappeared from the files yesterday, a few minutes before 14:00 GMT, when a new version of the cloud was generated. It's probably a mistake/bug in that generation process.

El 29/06/18 a las 15:13, Maarten Dammers escribió:

Looks like after the last update Wikidata dropped out again? https://lod-cloud.net/versions/2018-30-05/lod-data.json contains Wikidata, but in https://lod-cloud.net/lod-data.json it seems to be currently missing, it does list Wikidata as a target in some other sets.

CCed the maintainer.

Maarten

The domain mcc.ae is down for email (see https://mxtoolbox.com/domain/mcc.ae/ ) and http://www.mcc.ae/ shows a for sale sign. Any idea how to reach the maintainer?

Maarten

On 29-06-18 17:27, David Abián wrote:

I guess Wikidata disappeared from the files yesterday, a few minutes before 14:00 GMT, when a new version of the cloud was generated. It's probably a mistake/bug in that generation process.

El 29/06/18 a las 15:13, Maarten Dammers escribió:

...

Looks like after the last update Wikidata dropped out again? https://lod-cloud.net/versions/2018-30-05/lod-data.json contains Wikidata, but in https://lod-cloud.net/lod-data.json it seems to be currently missing, it does list Wikidata as a target in some other sets.

CCed the maintainer.

Maarten

On 27.06.2018 22:40, Federico Leva (Nemo) wrote:

Maarten Dammers, 27/06/2018 23:26:

...

Excellent news! https://lod-cloud.net/dataset/wikidata seems to contain the info in a more human readable (and machine readable) way. If we add some URI link, does it automagically appear or does Lucas has to do some manual work? I assume Lucas has to do some manual work.

I'd also be curious what to do when a property does not have a node in the LOD cloud, for instance P2948 is among the 77 results for P1921 but I don't see any corresponding URL in http://lod-cloud.net/versions/2018-30-05/lod-data.json

Previously it was manual work, yes, and for properties not in the LOD cloud I added commented-out entries to the page source of https://www.wikidata.org/wiki/User:Lucas_Werkmeister_(WMDE)/LOD_Cloud. I’ll try to resubmit Wikidata now and see how the submission process has evolved.

Cheers, Lucas

Hi Ettore,

speaking as the person who’s entered the current data into the LOD Cloud… no, I’m afraid it’s not as easy. Some of our namespaces (i. e. RDF formatter URLs) are wrong, some of the namespaces in the LOD Cloud are wrong, some datasets just don’t have a clean namespace (or they have several of them), some of our properties map to more than one LOD Cloud dataset, some LOD Cloud datasets map to more than one of our properties, and in general this is all just a terrible mess.

We might be able to start cleaning up this mess if we create a property “LOD Cloud identifier” or something like that, but I think if you try to match datasets between the two databases automatically you’re just asking for trouble.

Cheers, Lucas

On 28.07.2018 13:13, Ettore RIZZA wrote:

Dear all,

stop me if my question is naive or stupid. But I see that a dataset like Europeana is both in the Lod Cloud and as a property in Wikidata https://www.wikidata.org/wiki/Property:P727. However, the method using the "Formatter URL for RDF resource" property does not work because this property is missing from Europeana ID. How many other cases like this?

But I see in this simplified version of the Lod Cloud https://jqplay.org/s/bgiJvPKryC that each dataset has a namespace. Would not it be more efficient to match Wikidata and Lod Cloud using this namespaces in a series of Sparql queries http://tinyurl.com/y8taazzm?

Cheers,

Ettore

On Mon, 9 Jul 2018 at 14:07, Lucas Werkmeister <mail@lucaswerkmeister.de mailto:mail@lucaswerkmeister.de> wrote:

On 27.06.2018 22:40, Federico Leva (Nemo) wrote:
> Maarten Dammers, 27/06/2018 23:26:
>> Excellent news! https://lod-cloud.net/dataset/wikidata seems to
>> contain the info in a more human readable (and machine
readable) way.
>> If we add some URI link, does it automagically appear or does Lucas
>> has to do some manual work? I assume Lucas has to do some
manual work.
>
> I'd also be curious what to do when a property does not have a
node in
> the LOD cloud, for instance P2948 is among the 77 results for P1921
> but I don't see any corresponding URL in
> http://lod-cloud.net/versions/2018-30-05/lod-data.json

Previously it was manual work, yes, and for properties not in the LOD
cloud I added commented-out entries to the page source of
https://www.wikidata.org/wiki/User:Lucas_Werkmeister_(WMDE)/LOD_Cloud
<https://www.wikidata.org/wiki/User:Lucas_Werkmeister_%28WMDE%29/LOD_Cloud>.
I’ll try to resubmit Wikidata now and see how the submission
process has
evolved.

Cheers, Lucas

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