>
> This flow involves human intervention so it is not instant. It can take
> years.


Arf, yes, this is unfortunately quite a plain and rational argument. Thank
you very much for your answer.

2018-03-06 20:26 GMT+01:00 Ettore RIZZA <ettoreri...@gmail.com>:

> If Dbpedia has “same as” then Wikidata doesn’t have to duplicate that
>> information.... you can ask dbpedia what is same as Q7724
>
>
>
> Sebastian Hellman beats me to my question. Perhaps our points of view are
> different. From mine, which is that of a data consumer and a network
> enthusiast, the difference between a simple link and two-way links is huge.
> I mean, links are cheap and linked data is just about links. Instead of a
> heavy, complex and often empty federated SPAQL query, it would be enough
> to ask Wikidata to get the information of DBpedia (I think Wikidata is
> intended to contain one day all the DBpedia entities). Just as one will be
> able to query Wikidata one day to know the VIAF ID of any writer. I believe
> that Wikidata is destined to become a data hub of this kind, but maybe I'm
> wrong.
>
> Best regards,
>
> Ettore Rizza
>
> 2018-03-06 20:11 GMT+01:00 Sebastian Hellmann <hellm...@informatik.uni-
> leipzig.de>:
>
>> Hm, now I am also curious and would like to ask the same question as
>> Ettore. What is the policy here?
>>
>> Viaf has schema.org backlinks, see https://viaf.org/viaf/85312226/rdf.xml
>>
>> <schema:sameAs rdf:resource="http://www.wikidata.org/entity/Q80";
>> <http://www.wikidata.org/entity/Q80>/>
>> Then it's ok to duplicate? because it is not owl:sameAs?
>>
>> All the best,
>> Sebastain
>>
>>
>> On 06.03.2018 20:01, Magnus Sälgö wrote:
>>
>> If Dbpedia has “same as” then Wikidata doesn’t have to duplicate that
>> information.... you can ask dbpedia what is same as Q7724
>>
>> Regards
>> Magnus Sälgö
>> Stockholm, Sweden
>>
>> 6 mars 2018 kl. 19:49 skrev Ettore RIZZA <ettoreri...@gmail.com>:
>>
>> First of all, thank you all for your answers.
>>
>> @Magnus and Thad: it's a bit what I suspected. Since the URL to WorldCat
>> can be rebuilt from the Library of congress authority ID, I guess someone
>> thought it would be a duplicate.
>>
>> But 1) I'm not sure that there is a 1 to 1 mapping between all Worldcat
>> Identities and the Library of Congress 2) It would be rather strange that a
>> Library of Congress ID would also serve as an ID for a "competitor" (ie
>> OCLC, which maintains Worldcat and VIAF) 3) One would then wonder why
>> Wikipedia provides both links to the Library of Congress Authority ID and
>> Worldcat Identities.
>>
>> With respect for the fact that Wikidata already contains links to VIAF
>> and that VIAF contains links to Worldcat Identities, this transitivity
>> reasoning could apply to many other Authority IDs, I think.
>>
>> @Sebastian: Il would be great! I'll follow this project closely, just as
>> I'm already following your papers
>> <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcontent.iospress.com%2Farticles%2Fsemantic-web%2Fsw277&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=R1LeZSVSLmdZ%2FiJh6evIwrukAgtQQhzz7OxrJNL%2FXVg%3D&reserved=0>.
>> And it is precisely because I know that there is a desire for
>> "rapprochement" on both sides that I asked why there is absolutely nothing
>> in Wikidata that links to DBpedia (or Yago), whereas DBpedia contains a lot
>> of owl: sameAs to Wikidata. All this must have been discussed somewhere I
>> suppose. Still, I do not even find a property proposal for "DBpedia link".
>>
>> 2018-03-06 18:59 GMT+01:00 Sebastian Hellmann <
>> hellm...@informatik.uni-leipzig.de>:
>>
>>> Hi Ettore,
>>>
>>> we just released a very early prototype of the new DBpedia:
>>>
>>> http://88.99.242.78/hdt/en_wiki_de_sv_nl_fr-replaced.nt.bz2
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2F88.99.242.78%2Fhdt%2Fen_wiki_de_sv_nl_fr-replaced.nt.bz2&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=oml9kGY8ikCsVFH0jmSFx3txDjQGyT6lj%2FSxangnIZM%3D&reserved=0>
>>>
>>> I attached the first 1000 triples. The data is a merge of Wikidata + 5
>>> DBpedias from the 5 largest Wikipedia versions. Overall, there are many
>>> issues, but we have a test-driven data engineering process combined with
>>> Scrum and biweekly releases, next one is on March 15th. The new IDs are
>>> also stable by design.
>>>
>>> We discussed how to effectively reuse all technologies we have for
>>> Wikidata and also Wikipedia and are applying with this project at the
>>> moment: https://meta.wikimedia.org/wiki/Grants:Project/DBpedia/Globa
>>> lFactSync
>>> <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmeta.wikimedia.org%2Fwiki%2FGrants%3AProject%2FDBpedia%2FGlobalFactSync&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=cOIU%2FCe93h%2Ft4b1PdIDhMJWL%2FZB2XKnere%2BulFSZAFE%3D&reserved=0>
>>> (Endorsements on the main page and comments on the talk page are
>>> welcome).
>>>
>>> We really hope that the project gets accepted, so we can deploy the
>>> technologies behind DBpedia to the Wikiverse, e.g. we found over 900k
>>> triples/statements with references in the English Wikipedia's Infoboxes
>>> alone.
>>>
>>> We still have to do documentation and hosting of the new releases, but
>>> then it would indeed be a good time to add the links to DBpedia, if nobody
>>> objects. Also some people mentioned that we could load the DBpedia Ontology
>>> into Wikidata to provide an alternate class hierarchy. In DBpedia we loaded
>>> 5 or 6 classification schemes (Yago, Umbel, etc.), which are useful for
>>> different kind of queries.
>>>
>>>
>>> All the best,
>>> Sebastian
>>>
>>>
>>>
>>>
>>> On 06.03.2018 18:14, Ettore RIZZA wrote:
>>>
>>> Dear all,
>>>
>>> I asked myself a series of questions about the links between Wikidata
>>> and other knowledge/data bases, namely those of OCLC and DBpedia. For
>>> example:
>>>
>>> - Why Wikidata has no property "Worldcat Identities
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fworldcat.org%2Fidentities%2F&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=Bx%2FA%2BPh9nQzNuzrRgRg5dC3s%2BJeKKWNGKUSRguq4Ks4%3D&reserved=0>"
>>> while the English edition of Wikipedia systematically mentions this
>>> identity (when it exists) in its section "Autorithy control"  ?
>>>
>>> - Why do VIAF links to all editions of Wikipedia, but not (simply) to
>>> Wikidata ?
>>>
>>> - Why is there no link to DBpedia when the opposite is true ?
>>>
>>> These questions may seem very different from each other, but they
>>> ultimately concern a common subject and are all very basic. I suspect they
>>> had to be discussed somewhere, maybe at the dawn of Wikidata. However, I
>>> find nothing in the archives of this Newsletter, nor in the discussions on
>>> Wikidata.
>>>
>>> Could someone point me to some documentation on these issues ?
>>>
>>> Cheers,
>>>
>>> Ettore Rizza
>>>
>>>
>>> _______________________________________________
>>> Wikidata mailing 
>>> listWikidata@lists.wikimedia.orghttps://lists.wikimedia.org/mailman/listinfo/wikidata
>>>  
>>> <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.wikimedia.org%2Fmailman%2Flistinfo%2Fwikidata&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=009ZtINq4Vn2yyUJCa13auEnej%2FAbLzA%2BIJt1ogzuTg%3D&reserved=0>
>>>
>>>
>>> --
>>> All the best,
>>> Sebastian Hellmann
>>>
>>> Director of Knowledge Integration and Linked Data Technologies (KILT)
>>> Competence Center
>>> at the Institute for Applied Informatics (InfAI) at Leipzig University
>>> Executive Director of the DBpedia Association
>>> Projects: http://dbpedia.org
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdbpedia.org&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=OravJiJyUy%2FLVYoQ5yNQYU0xDcHFH02%2Bp%2BbDWWECHH0%3D&reserved=0>,
>>> http://nlp2rdf.org
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fnlp2rdf.org&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=m1DRusIhPt%2BtHIC7qkzZVvR2ssCaOart8aPamygKRxI%3D&reserved=0>,
>>> http://linguistics.okfn.org
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flinguistics.okfn.org&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=ysbEhRyeB22OtS9R05hjeZXUAGp5gMF3zFtPYSNkknE%3D&reserved=0>,
>>> https://www.w3.org/community/ld4lt
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2Fcommunity%2Fld4lt&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=cr9gVjhIIDJMKyrOFioFOICmwyIui8EqUMdkB6M%2B034%3D&reserved=0>
>>> Homepage: http://aksw.org/SebastianHellmann
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Faksw.org%2FSebastianHellmann&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991689411&sdata=i7ub%2FNWG6g1iKtDI01T01r%2Fkxuww%2BZbHuuOdM4ZDJJY%3D&reserved=0>
>>> Research Group: http://aksw.org
>>> <https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Faksw.org&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991845679&sdata=9tTgkynNjB2sAwFSWTfQGJD7cPt5vOeVOkTLsRsAjls%3D&reserved=0>
>>>
>>> _______________________________________________
>>> Wikidata mailing list
>>> Wikidata@lists.wikimedia.org
>>> https://lists.wikimedia.org/mailman/listinfo/wikidata
>>> <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.wikimedia.org%2Fmailman%2Flistinfo%2Fwikidata&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991845679&sdata=x1rQozrTo277ACWslPrvu9w86hGDew1RbmyKgvcK%2BfU%3D&reserved=0>
>>>
>>>
>> _______________________________________________
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>> 3A%2F%2Flists.wikimedia.org%2Fmailman%2Flistinfo%2Fwikidat
>> a&data=02%7C01%7C%7Cb20d7c5a98504fcaa29e08d583930f50%7C84df9
>> e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636559589991845679&
>> sdata=x1rQozrTo277ACWslPrvu9w86hGDew1RbmyKgvcK%2BfU%3D&reserved=0
>>
>>
>>
>> _______________________________________________
>> Wikidata mailing 
>> listWikidata@lists.wikimedia.orghttps://lists.wikimedia.org/mailman/listinfo/wikidata
>>
>>
>> --
>> All the best,
>> Sebastian Hellmann
>>
>> Director of Knowledge Integration and Linked Data Technologies (KILT)
>> Competence Center
>> at the Institute for Applied Informatics (InfAI) at Leipzig University
>> Executive Director of the DBpedia Association
>> Projects: http://dbpedia.org, http://nlp2rdf.org,
>> http://linguistics.okfn.org, https://www.w3.org/community/ld4lt
>> <http://www.w3.org/community/ld4lt>
>> Homepage: http://aksw.org/SebastianHellmann
>> Research Group: http://aksw.org
>>
>> _______________________________________________
>> Wikidata mailing list
>> Wikidata@lists.wikimedia.org
>> https://lists.wikimedia.org/mailman/listinfo/wikidata
>>
>>
>
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