Hi, Well the basic idea of the live extraction is to have a synchron version with respect to Wikipedia. So if pages or redirects do not exist in Wikipedia, they should not exists in DBpedia. I think the updates we get from Wikipedia are quite comprehensive, so this goal will be reached. Regards, Sebastian
> John Muth schrieb: >> According to http://en.wikipedia.org/wiki/Help:Moving_a_page a >> redirect is >> indeed automatically created for the old page. So that's good news. >> >> Minor diversion: if a page is renamed a second time, the redirect from >> the >> original page is not automatically updated: the guide advises editors >> to fix >> those links themselves. But even if individual editors fail to do so >> that >> shouldn't be a problem as long as the chain of redirects still exists >> we can >> follow them to get to the latest incarnation. >> >> So it sounds like there's no problem as long as we only care about >> getting >> from old resource URIs to new. >> >> Thanks, >> John >> >> >> On 14/10/09 14:00, "Georgi Kobilarov" <[email protected]> wrote: >> >> >>> Hi, >>> >>> The solution with redirects relies on someone setting a redirect in >>> Wikipedia when an article is renamed. I'm not sure if there's a >>> mechanism in >>> Wikipedia to automatically create a redirect whenever an article is >>> renamed. >>> If there is one, then querying for a redirect would be sufficient, >>> otherwise >>> it wouldn't. >>> >>> Best, >>> Georgi >>> >>> >>>> -----Original Message----- >>>> From: Claus Stadler [mailto:[email protected]] >>>> Sent: Wednesday, October 14, 2009 2:43 PM >>>> To: John Muth >>>> Cc: [email protected] >>>> Subject: Re: [Dbpedia-discussion] "live updating", tracking resource >>>> changes >>>> >>>> Hi, >>>> >>>> John Muth wrote: >>>> >>>>> Greetings DBPedia people, >>>>> >>>>> I'm looking forward to DBPedia getting the "live updating" feature >>>>> >>>> (what are >>>> >>>>> you calling it? the feature whereby the dbpedia datasets are updated >>>>> >>>> in >>>> >>>>> nearly real time as changes are committed to Wikipedia?). >>>>> >>>>> >>>> We call it the "DBpedia Live Extraction". >>>> >>>> >>>>> One thing is unclear to me, however: if resource X is changed to >>>>> >>>> resource >>>> >>>>> Y, will there be any explicit mechanism for discovering that, in both >>>>> directions, after the fact? >>>>> >>>>> Obviously there's 'X <http://dbpedia.org/property/redirect> Y', but I >>>>> suspect that that won't be sufficient and reliable. >>>>> >>>>> >>>>> >>>> Whenever a page on Wikipedia is moved, we get two events: >>>> The old page containing the redirect, and the new page containing the >>>> original content. >>>> So indeed currently the triple "old redirect new" would be generated >>>> (and all other triples with the old page as the subject would be >>>> removed). >>>> >>>> Maybe you could give some examples of what you had in mind when you >>>> said >>>> this might not be sufficient or reliable? >>>> >>>> >>>> Kind Regards, >>>> Claus Stadler >>>> >>>> >>>> ----------------------------------------------------------------------- >>>> ------- >>>> Come build with us! 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Register now! >>>> http://p.sf.net/sfu/devconference >>>> _______________________________________________ >>>> Dbpedia-discussion mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion >>>> >> >> >> http://www.bbc.co.uk/ >> This e-mail (and any attachments) is confidential and may contain >> personal views which are not the views of the BBC unless specifically >> stated. >> If you have received it in error, please delete it from your system. >> Do not use, copy or disclose the information in any way nor act in >> reliance on it and notify the sender immediately. >> Please note that the BBC monitors e-mails sent or received. >> Further communication will signify your consent to this. >> >> >> ------------------------------------------------------------------------------ >> >> >> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >> is the only developer event you need to attend this year. Jumpstart your >> developing skills, take BlackBerry mobile applications to market and >> stay ahead of the curve. Join us from November 9 - 12, 2009. Register >> now! >> http://p.sf.net/sfu/devconference >> _______________________________________________ >> Dbpedia-discussion mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion >> >> > > -- Dipl. Inf. Sebastian Hellmann Department of Computer Science, University of Leipzig Homepage: http://bis.informatik.uni-leipzig.de/SebastianHellmann Research Group: http://aksw.org ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. 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