On 1/16/18 8:20 AM, Jean-Marc Vanel wrote: > Thanks for the help > > It's not 100% clear to me which is the correct URI to use after server > corrections: > http://dbpedia.org/resource/C++ <http://dbpedia.org/resource/C++> > or > http://dbpedia.org/resource/C%2B%2B <http://dbpedia.org/resource/C%2B%2B> > > Please note that dbPedia lookup returns the first URI . > > And indeed most of these URL's from this SPARQL are empty when > derefencing them. > > prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> > select * where { > ?X rdfs:label ?L . > FILTER( contains( ?L, "C++")) > } > > Running the query: > http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&query=prefix+rdfs%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23%3E+%0D%0Aselect+*+where+%7B%0D%0A++%3FX+rdfs%3Alabel+%3FL+.%0D%0A++FILTER%28+contains%28+%3FL%2C+%22C%2B%2B%22%29%29%0D%0A%7D&format=text%2Fhtml&CXML_redir_for_subjs=121&CXML_redir_for_hrefs=&timeout=30000&debug=on&run=+Run+Query+
We are going to provide a fix for the problem in the Linked Data Middleware layer that provides the Linked Data Page experience. Kingsley > > > 2018-01-16 13:54 GMT+01:00 Markus Freudenberg > <markus.freudenb...@gmail.com <mailto:markus.freudenb...@gmail.com>>: > > Hi, > > I did a quick check, the C++ resource should be represented > correctly in the dump files. > I noted that all redirects to /C++ also do not work ( > http://dbpedia.org/resource/C++_(programming_language) > <http://dbpedia.org/resource/C++_%28programming_language%29> ). > > Thanks for pointing this out. > > Markus Freudenberg > > Release Manager, DBpedia <http://wiki.dbpedia.org> > > On Tue, Jan 16, 2018 at 1:33 PM, Kingsley Idehen > <kide...@openlinksw.com <mailto:kide...@openlinksw.com>> wrote: > > On 1/16/18 6:51 AM, Jean-Marc Vanel wrote: >> Hi >> >> I don't where to report this, >> so I hope you can forward. >> >> Pasted from #swig on freenode IRC: >> >> There is a problem with a specific dbpedia URI ; where >> should I report ? >> [12:04] <jmv> http://dbpedia.org/resource/C++ >> <http://dbpedia.org/resource/C++> is referenced ( by Virtuoso >> SPARQL or textual search ) , but contains nothing :( >> [12:05] <KjetilK> jmv: not sure, but if there is something in >> the extraction framework, my guess is >> https://github.com/dbpedia/extraction-framework >> <https://github.com/dbpedia/extraction-framework> >> [12:13] ==jmv_ >> [25aa6444@gateway/web/freenode/ip.37.170.100.68 >> <mailto:25aa6444@gateway/web/freenode/ip.37.170.100.68>] has >> joined #swig >> [12:14] <jmv_> <KjetilK>, asked the question on #dbpedia , >> but that's a small chat >> [12:14] * KjetilK nods >> >> [12:29] <jmv> I investigated: it's a NOT problem of >> extraction, but in server redirects. >> [12:30] <jmv> This request give a hint : >> wget --header='Accept: text/turtle' --save-headers -O - >> 'http://dbpedia.org/resource/C++' >> <http://dbpedia.org/resource/C++%27> >> [12:31] <jmv> It does a 303 redirect >> to http://dbpedia.org/data/C++.ttl >> <http://dbpedia.org/data/C++.ttl> , which returns 400 : Bad >> Request. >> [12:31] <jmv> The URL which does exist is this >> one: http://dbpedia.org/resource/C%2B%2B >> <http://dbpedia.org/resource/C%2B%2B> >> [12:32] <jmv> Correctly redirecting to >> http://dbpedia.org/data/C%2B%2B.ttl >> <http://dbpedia.org/data/C%2B%2B.ttl> >> [12:33] <jmv> So I guess the issue is with the settings of >> Virtuoso server ... > > > Yes we have an issue here since: > > [1] http://dbpedia.org/page/C%2B%2B > <http://dbpedia.org/page/C%2B%2B> -- is the URL that > identifies the DBpedia document about C++ > > [2] http://dbpedia.org/resource/C%2B%2B > <http://dbpedia.org/resource/C%2B%2B> -- should be the DBpedia > URI that identifies C++ > > We need to tweak the Linked Data page behind DBpedia such that > #1 uses http://dbpedia.org/resource/C%2B%2B > <http://dbpedia.org/resource/C%2B%2B> to anchor the text in > "About: XYZ" . Naturally, we have to check that "garbage in > garbage out" it isn't in play here re. actual DBpedia data > dump etc.. > > Anyway, issue is noted. > > -- > Regards, > > Kingsley Idehen > Founder & CEO > OpenLink Software (Home Page: http://www.openlinksw.com) > > Weblogs (Blogs): > Legacy Blog: http://www.openlinksw.com/blog/~kidehen/ > <http://www.openlinksw.com/blog/%7Ekidehen/> > Blogspot Blog: http://kidehen.blogspot.com > Medium Blog: https://medium.com/@kidehen > > Profile Pages: > Pinterest: https://www.pinterest.com/kidehen/ > <https://www.pinterest.com/kidehen/> > Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen > <https://www.quora.com/profile/Kingsley-Uyi-Idehen> > Twitter: https://twitter.com/kidehen > Google+: https://plus.google.com/+KingsleyIdehen/about > <https://plus.google.com/+KingsleyIdehen/about> > LinkedIn: http://www.linkedin.com/in/kidehen > <http://www.linkedin.com/in/kidehen> > > Web Identities (WebID): > Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i > <http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i> > : > http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this > > <http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this> > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > DBpedia-discussion mailing list > DBpedia-discussion@lists.sourceforge.net > <mailto:DBpedia-discussion@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > <https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion> > > > > > > -- > Jean-Marc Vanel > http://www.semantic-forms.cc:9111/display?displayuri=http://jmvanel.free.fr/jmv.rdf%23me#subject > <http://www.semantic-forms.cc:9111/display?displayuri=http://jmvanel.free.fr/jmv.rdf%23me> > Déductions SARL - Consulting, services, training, > Rule-based programming, Semantic Web > +33 (0)6 89 16 29 52 > Twitter: @jmvanel , @jmvanel_fr ; chat: > irc://irc.freenode.net#eulergui <http://irc.freenode.net#eulergui> -- Regards, Kingsley Idehen Founder & CEO OpenLink Software (Home Page: http://www.openlinksw.com) Weblogs (Blogs): Legacy Blog: http://www.openlinksw.com/blog/~kidehen/ Blogspot Blog: http://kidehen.blogspot.com Medium Blog: https://medium.com/@kidehen 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
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