- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Mon, 17 Nov 2008 12:35:43 -0500
- CC: John Muth <John.Muth@bbc.co.uk>, public-lod@w3.org, dbpedia-announcements@lists.sourceforge.net, 'Semantic Web' <semantic-web@w3.org>, dbpedia-discussion@lists.sourceforge.net
Kingsley Idehen wrote: > John Muth wrote: > >> Congrats all, and big thanks for your continuing great work. >> >> The YAGO Classes and YAGO Links links are not working for me just now -- are >> the URLs wrong or are the files yet to be published? >> >> http://downloads.dbpedia.org/3.2/links/yago_en.nt.bz2 >> http://downloads.dbpedia.org/3.2/links/yagolink_en.nt.bz2 >> >> Thanks again, >> John Muth >> John, I misunderstood your initial mail above. Anyway, the misunderstanding lead me to the files you are seeking. See: http://downloads.dbpedia.org/3.2/en/yagolink_en.nt.bz2 and http://downloads.dbpedia.org/3.2/en/yago_en.nt.bz2 Kingsley >> >> > > John, > > Hmm.. > > Will have look and get it sorted if it's actually missing. > > Kingsley > >> On 17/11/08 12:11, "Chris Bizer" <chris@bizer.de> wrote: >> >> >> >>> Hi all, >>> >>> we are happy to announce the release of DBpedia version 3.2. >>> >>> The new knowledge base has been extracted from the October 2008 Wikipedia >>> dumps. Compared to the last release, the new knowledge base provides three >>> mayor improvements: >>> >>> >>> 1. DBpedia Ontology >>> >>> DBpedia now features a shallow, cross-domain ontology, which has been >>> manually created based on the most commonly used infoboxes within Wikipedia. >>> The ontology currently covers over 170 classes which form a subsumption >>> hierarchy and have 940 properties. The ontology is instanciated by a new >>> infobox data extraction method which is based on hand-generated mappings of >>> Wikipedia infoboxes to the DBpedia ontology. The mappings define >>> fine-granular rules on how to parse infobox values. The mappings also adjust >>> weaknesses in the Wikipedia infobox system, like having different infoboxes >>> for the same class (currently 350 Wikipedia templates are mapped to 170 >>> ontology classes), using different property names for the same property >>> (currently 2350 Wikipedia template properties are mapped to 940 ontology >>> properties), and not having clearly defined datatypes for property values. >>> Therefore, the instance data within the infobox ontology is much cleaner and >>> better structured than the infobox data within the DBpedia infobox dataset >>> that is generated using the old infobox extraction code. The DBpedia >>> ontology currently contains about 882.000 instances. >>> >>> More information about the ontology is found at: >>> http://wiki.dbpedia.org/Ontology >>> >>> >>> 2. RDF Links to Freebase >>> >>> Freebase is an open-license database which provides data about million of >>> things from various domains. Freebase has recently released an Linked Data >>> interface to their content. As there is a big overlap between DBpedia and >>> Freebase, we have added 2.4 million RDF links to DBpedia pointing at the >>> corresponding things in Freebase. These links can be used to smush and fuse >>> data about a thing from DBpedia and Freebase. >>> >>> For more information about the Freebase links see: >>> http://blog.dbpedia.org/2008/11/15/dbpedia-is-now-interlinked-with-freebase- >>> links-to-opencyc-updated/ >>> >>> >>> 3. Cleaner Abstacts >>> >>> Within the old DBpedia dataset it occurred that the abstracts for different >>> languages contained Wikpedia markup and other strange characters. For the >>> 3.2 release, we have improved DBpedia's abstract extraction code which >>> results in much cleaner abstracts that can safely be displayed in user >>> interfaces. >>> >>> >>> The new DBpedia release can be downloaded from: >>> >>> http://wiki.dbpedia.org/Downloads32 >>> >>> and is also available via the DBpedia SPARQL endpoint at >>> >>> http://dbpedia.org/sparql >>> >>> and via DBpedia's Linked Data interface. Example URIs: >>> >>> http://dbpedia.org/resource/Berlin >>> http://dbpedia.org/page/Oliver_Stone >>> >>> More information about DBpedia in general is found at: >>> >>> http://wiki.dbpedia.org/About >>> >>> >>> Lots of thanks to everybody who contributed to the Dbpedia 3.2 release! >>> >>> Especially: >>> >>> 1. Georgi Kobilarov (Freie Universität Berlin) who designed and implemented >>> the new infobox extraction framework. >>> 2. Anja Jentsch (Freie Universität Berlin) who contributed to implementing >>> the new extraction framework and wrote the infobox to ontology class >>> mappings. >>> 3. Paul Kreis (Freie Universität Berlin) who improved the datatype >>> extraction code. >>> 4. Andreas Schultz (Freie Universität Berlin) for generating the Freebase to >>> DBpedia RDF links. >>> 5. Everybody at OpenLink Software for hosting DBpedia on a Virtuoso server >>> and for providing the statistics about the new Dbpedia knowledge base. >>> >>> Have fun with the new DBpedia knowledge base! >>> >>> Cheers >>> >>> Chris >>> >>> >>> -- >>> Prof. Dr. Christian Bizer >>> Web-based Systems Group >>> Freie Universität Berlin >>> +49 30 838 55509 >>> http://www.bizer.de >>> chris@bizer.de >>> >>> >>> >>> ------------------------------------------------------------------------- >>> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >>> Build the coolest Linux based applications with Moblin SDK & win great prizes >>> Grand prize is a trip for two to an Open Source event anywhere in the world >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >>> _______________________________________________ >>> Dbpedia-discussion mailing list >>> Dbpedia-discussion@lists.sourceforge.net >>> 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. >> >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> Dbpedia-discussion mailing list >> Dbpedia-discussion@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion >> >> >> > > > -- Regards, Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen President & CEO OpenLink Software Web: http://www.openlinksw.com
Received on Monday, 17 November 2008 17:36:20 UTC