> > 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 <[email protected]>: > 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 <[email protected] > 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 <[email protected]>: >> >> 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 < >> [email protected]>: >> >>> 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 >>> [email protected]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%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 >>> [email protected] >>> 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> >>> >>> >> _______________________________________________ >> Wikidata mailing list >> [email protected] >> https://nam02.safelinks.protection.outlook.com/?url=https% >> 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 >> [email protected]https://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 >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikidata >> >> >
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