DBPedia is down...? On Thu, Jun 2, 2011 at 10:46 AM, < [email protected]> wrote:
> Send Dbpedia-discussion mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Dbpedia-discussion digest..." > > > Today's Topics: > > 1. Re: Dbpedia Ontology (Gerber Daniel) > 2. Internationalization Committee (Dmitry Belyakov) > 3. Re: Internationalization Committee (Dimitris Kontokostas) > 4. Literature on tracking changes in generic databases? (Paul Houle) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 29 May 2011 14:28:42 +0200 > From: Gerber Daniel <[email protected]> > Subject: Re: [Dbpedia-discussion] Dbpedia Ontology > To: Sebastian Hellmann <[email protected]> > Cc: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Thanks! > > But the reason for changing the ontology was to execute this query and get > more results, especially for p2 since domain and range are bound. > > "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> " + > "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> " + > "SELECT ?s2 ?s2l ?p2 ?o2 ?o2l ?rangep2 ?domainp2 " + > "WHERE {" + > " ?s2 rdf:type <http://dbpedia.org/ontology/Organisation> ." + > " ?s2 rdfs:label ?s2l . " + > " ?o2 ?p2 ?s2 . " + > " ?o2 rdfs:label ?o2l " + > " FILTER (lang(?s2l) = \"en\") " + > " FILTER (lang(?o2l) = \"en\") " + > " ?p2 rdfs:range ?rangep2 . " + > " ?p2 rdfs:domain ?domainp2 . " + > "}"; > > I've tried this endpoint (http://dbpedia-live.openlinksw.com/sparql) and > it returned my changes to the ontology. Unfortunately, it seemed that the > query execution time was too long and has been rejected with a > HttpException: 500 SPARQL Request Failed exception. (This query has been > executed correctly on the AKSW playground server. ) > > Any ideas on how to make that query? > > Cheers, > Daniel > > On 29.05.2011, at 08:47, Sebastian Hellmann wrote: > > > Actually, this should be the query for it: > > > > PREFIX meta: <http://dbpedia.org/meta/> > > CONSTRUCT {?s ?p ?o} > > FROM <http://dbpedia.org/meta> > > WHERE > > { > > ?b meta:origin meta:TBoxExtractor . > > ?b owl:annotatedSource ?s . > > ?b owl:annotatedProperty ?p . > > ?b owl:annotatedTarget ?o . > > FILTER(!(?p IN ( > > meta:editlink, > > meta:revisionlink, > > meta:oaiidentifier, > > <http://http://purl.org/dc/terms/modified> > > ))). > > } > > > > > > And this for one class: > > > > PREFIX meta: <http://dbpedia.org/meta/> > > CONSTRUCT {?s ?p ?o} > > FROM <http://dbpedia.org/meta> > > WHERE > > { > > ?b meta:sourcepage <http://dbpedia.org/ontology/Person> . > > ?b owl:annotatedSource ?s . > > ?b owl:annotatedProperty ?p . > > ?b owl:annotatedTarget ?o . > > FILTER(!(?p IN ( > > meta:editlink, > > meta:revisionlink, > > meta:oaiidentifier, > > meta:sourcepage, > > <http://http://purl.org/dc/terms/modified> > > ))). > > } > > > > Normally this endpoint would work: http://dbpedia-live.openlinksw.com/ > > But things are changing a lot lately. I think there must be a way to get > it directly from the Wiki also... > > Sebastian > > > > On 28.05.2011 16:55, Gerber Daniel wrote: > >> > >> Hi all, > >> Could anybody please tell me when a change in the dbpedia ontology at > mappings.dbpedia.org is merged into dbpedia, respectively accessible via > the sparql endpoints? > >> Both live.dbpedia.org/sparql and dbpedia.org/sparql do not show my > changes made over a week ago? > >> > >> Cheers, > >> Daniel > >> > >> > ------------------------------------------------------------------------------ > >> vRanger cuts backup time in half-while increasing security. > >> With the market-leading solution for virtual backup and recovery, > >> you get blazing-fast, flexible, and affordable data protection. > >> Download your free trial now. > >> http://p.sf.net/sfu/quest-d2dcopy1 > >> > >> _______________________________________________ > >> 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 > > -------------- next part -------------- > An HTML attachment was scrubbed... > > ------------------------------ > > Message: 2 > Date: Tue, 31 May 2011 12:30:54 +0400 > From: "Dmitry Belyakov" <[email protected]> > Subject: [Dbpedia-discussion] Internationalization Committee > To: <[email protected]> > Message-ID: <ED2B59FC5D1F4B9CA780F300D2E5C381@NOC69> > Content-Type: text/plain; format=flowed; charset="koi8-r"; > reply-type=original > > Hello, DBPedia Maintainers, > > In company with Greece team of DBPedia we started to create Russian branch > of DBPedia. We already have the server with Extraction Framework. Now we > preparing the server for Virtuoso DB. At the same time my scientific leader > told to me that It's good idea to join Internationalization Committee > (http://dbpedia.org/Internationalization). How can I do this action? Is it > possible? > Here is my contacts: > > Dmitry Belyakov <[email protected]> (Russia) > > Thank You for your hard work of creating and supporting of DBPedia! > > Sincerely yours, > Dmitry Belyakov. > > > > > ------------------------------ > > Message: 3 > Date: Tue, 31 May 2011 12:20:05 +0300 > From: Dimitris Kontokostas <[email protected]> > Subject: Re: [Dbpedia-discussion] Internationalization Committee > To: Dmitry Belyakov <[email protected]> > Cc: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="utf-8" > > Hi Dmitry, > > I added your contact details in the committee page. You can also register > on > DBpedia.org and you will have edit rights by default. > You should also subscribe in the DBpedia developers > list<https://lists.sourceforge.net/lists/listinfo/dbpedia-developers>. > This where Internationalization issues are discussed. > > Cheers, > Dimitris > > > On Tue, May 31, 2011 at 11:30 AM, Dmitry Belyakov <[email protected]> wrote: > > > Hello, DBPedia Maintainers, > > > > In company with Greece team of DBPedia we started to create Russian > branch > > of DBPedia. We already have the server with Extraction Framework. Now we > > preparing the server for Virtuoso DB. At the same time my scientific > leader > > told to me that It's good idea to join Internationalization Committee > > (http://dbpedia.org/Internationalization). How can I do this action? Is > it > > possible? > > Here is my contacts: > > > > Dmitry Belyakov <[email protected]> (Russia) > > > > Thank You for your hard work of creating and supporting of DBPedia! > > > > Sincerely yours, > > Dmitry Belyakov. > > > > > > > > > ------------------------------------------------------------------------------ > > Simplify data backup and recovery for your virtual environment with > > vRanger. > > Installation's a snap, and flexible recovery options mean your data is > > safe, > > secure and there when you need it. Data protection magic? > > Nope - It's vRanger. Get your free trial download today. > > http://p.sf.net/sfu/quest-sfdev2dev > > _______________________________________________ > > Dbpedia-discussion mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > > > > > > -- > Kontokostas Dimitris > -------------- next part -------------- > An HTML attachment was scrubbed... > > ------------------------------ > > Message: 4 > Date: Thu, 02 Jun 2011 13:46:40 -0400 > From: Paul Houle <[email protected]> > Subject: [Dbpedia-discussion] Literature on tracking changes in > generic databases? > To: 'dbpedia-discussion' <[email protected]> > Cc: "Freeebase.com discussion list" <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Here's a (not so) hypothetical question. > > Suppose I've got some database that was populated from some data > source like Freebase or DBpedia. I've got my own internal identifiers, > so I can say that > > dbpedia:George_Washington -> mysystem:88582 > fbase:/en/george_washington -> mysystem:88582 > > The whole reason I'm doing this is so I can make assertions about > these entities. Some of these come from Freebase and DBpedia and some > of them come from other places. > > If I look at a single moment in time, I feel like I've got this > under control. I can load DBpedia version X or a freebase data dump > from a particular week and it all works perfectly. > > Of course, at some point my data gets stale and I need to update > it. For instance, there's a new batch of players who got drafted by > the NFL I want to know about, or I want to know about movies that are > going to be released soon, or have some vocabulary for the Fukushima > muclear accident or maybe I just try to extract some facts from the > latest Freebase dump and discover that a distressing number of mids have > changed in the last six months. > > So I need some way to keep my knowledge base synced up with changes > in external knowledge base(s) although I might settle for treating one > as authoritative. It's not clear that there's sufficient information in > DBpedia to track changes (although some renames could be tracked by > following the wikipedia id's) but I think a good job can be done with > Freebase: mid redirect records can be used to follow renames and > merges, and at least sometimes with splits there are gardening hints > that help. > > I can imagine heuristics that would probably work on an ad hoc > basis, but it seems to me there ought to be an intellectually > consistent approach to this problem. Is anyone familiar with anything > in the literature on this? > > > > ------------------------------ > > > ------------------------------------------------------------------------------ > Simplify data backup and recovery for your virtual environment with > vRanger. > Installation's a snap, and flexible recovery options mean your data is > safe, > secure and there when you need it. Discover what all the cheering's about. > Get your free trial download today. > http://p.sf.net/sfu/quest-dev2dev2 > > ------------------------------ > > _______________________________________________ > Dbpedia-discussion mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > > > End of Dbpedia-discussion Digest, Vol 52, Issue 1 > ************************************************* >
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