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From: Sebastian H. <hel...@in...> - 2019-06-01 09:46:13
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Hi Denny, * the old system was like this: we load from here: http://downloads.dbpedia.org/2016-10/core/ metadata is in http://downloads.dbpedia.org/2016-10/core/2016-10_dataid_core.ttl with void:sparqlEndpoint <http://dbpedia.org/sparql> ; * the new system is here: https://databus.dbpedia.org/dbpedia There are 6 new releases and the metadata is in the endpoint https://databus.dbpedia.org/repo/sparql Once the collection saving feature is finished, we will build a collection of datasets on the bus, which will then be loaded. It is basically a sparql query retrieving the downloadurls like this: http://dev.dbpedia.org/Data#example-application-virtuoso-docker So we keep better usage tracing and also better provenance tracking, i.e. we hope that the wikidata/wikipedia dumps will be on the databus, so we can set prov-o:wasDerivedFrom links. By the way there is a new fusion dataset: https://svn.aksw.org/papers/2019/ISWC_FlexiFusion/public.pdf So people don need to merge Wikidata and DBpedia manually any more. It is prefused. -- Sebastian On 31.05.19 21:59, Denny Vrandečić wrote: > Thank you for the answer! > > I don't see how the query solution page that you linked indicates that > this is the English Wikipedia extraction. Where does it say that? How > can I tell? I am trying to understand, thanks. > > Also, when I download the set of English extractions from here, > > http://downloads.dbpedia.org/2016-10/core-i18n/en/ > > particularly this one, > > http://downloads.dbpedia.org/2016-10/core-i18n/en/mappingbased_objects_en.ttl.bz2 > > > it is only about 17,467 people with parents, not 20,120, so that > dataset seems out of sync with the one in the SPARQL endpoint. > > I am curious where do you load the dataset from? > > Thank you! > > > On Fri, May 31, 2019 at 11:49 AM Kingsley Idehen > <ki...@op... <mailto:ki...@op...>> wrote: > > On 5/31/19 2:23 PM, Denny Vrandečić wrote: >> When I query the dbpedia.org/sparql <http://dbpedia.org/sparql> >> endpoint asking for "how many people with a parent do you know?", >> i.e. select (count (distinct ?p) as ?c) where { ?s dbo:parent ?o >> }, I get as the answer 20,120. >> >> Where among the Downloads on wiki.dbpedia.org/downloads-2016-10 >> <http://wiki.dbpedia.org/downloads-2016-10> can I find the >> dataset that the SPARQL endpoint actually serves? Is it the >> English Wikipedia-based "Mappingbased" one? Or is t the "Infobox >> Properties Mapped"? >> >> Cheers, >> Denny >> > > The query solution page > <http://dbpedia.org/sparql?default-graph-uri=&query=prefix+dbo%3A+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2F%3E+%0D%0A%0D%0Aselect+%3Fg+%28count+%28distinct+%3Fs%29+as+%3Fc%29%0D%0Awhere+%7B+%0D%0A+++++++%0D%0A+++++++++graph+%3Fg+%7B%3Fs+dbo%3Aparent+%3Fo.%7D%0D%0A%0D%0A+++++%7D%0D%0Agroup+by+%3Fg&format=text%2Fhtml&CXML_redir_for_subjs=121&CXML_redir_for_hrefs=&timeout=30000&debug=on&run=+Run+Query+> > indicates this is the English Wikipedia dataset. That's what we've > always loaded into the Virtuoso instance from which DBpedia Linked > Data and its associated SPARQL endpoint are deployed. > > > -- > Regards, > > Kingsley Idehen > Founder & CEO > OpenLink Software > Home Page:http://www.openlinksw.com > Community Support:https://community.openlinksw.com > Weblogs (Blogs): > Company Blog:https://medium.com/openlink-software-blog > Virtuoso Blog:https://medium.com/virtuoso-blog > Data Access Drivers Blog:https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers > > Personal Weblogs (Blogs): > Medium Blog:https://medium.com/@kidehen > Legacy Blogs:http://www.openlinksw.com/blog/~kidehen/ > http://kidehen.blogspot.com > > Profile Pages: > Pinterest:https://www.pinterest.com/kidehen/ > Quora:https://www.quora.com/profile/Kingsley-Uyi-Idehen > Twitter:https://twitter.com/kidehen > Google+:https://plus.google.com/+KingsleyIdehen/about > LinkedIn:http://www.linkedin.com/in/kidehen > > Web Identities (WebID): > Personal:http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i > :http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this > > _______________________________________________ > DBpedia-discussion mailing list > DBp...@li... > <mailto:DBp...@li...> > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > > > > _______________________________________________ > DBpedia-discussion mailing list > DBp...@li... > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion -- 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 |