Re: [DBpedia-discussion] Downloading Links between DBpedia and Wikidata

[Heiko Paulheim]

Thanks, Dimitris!

Cheers,

Heiko


Am 10.01.2017 um 14:08 schrieb Dimitris Kontokostas:

Hi Heiko, these links are included in the following file (along with the other DBpedia links)

http://downloads.dbpedia.org/2016-04/core-i18n/en/interlanguage_links_chapters_en.ttl.bz2
you can easily grep the wikidata links if you need only those

On Tue, Jan 10, 2017 at 12:30 PM, Heiko Paulheim <he...@informatik.uni-mannheim.de <mailto:he...@informatik.uni-mannheim.de>> wrote:

    Hi Markus,

    thanks for your quick reply! I have had a look at that folder. It
    contains the extraction for the Wikidata-as-DBpedia dataset, right?

    It seems like I could, in theory, reconstruct the
    DBpedia-to-Wikidata links by combining the two files

    
http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/sameas_wikidata_wikidata.ttl.bz2
    
<http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/sameas_wikidata_wikidata.ttl.bz2>

    and

    
http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/sameas_all_wikis_wikidata.ttl.bz2
    
<http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/sameas_all_wikis_wikidata.ttl.bz2>

    (The former links Wikidata-as-DBpedia to Wikidata, the latter
    links Wikidata-as-DBpedia to DBpedia)

    But I assume that the actual links, like the statement I posted
    below, are contained in some file which is loaded into the
    Virtuoso endpoint?

    Best,

    Heiko


    Am 10.01.2017 um 09:49 schrieb Markus Freudenberg:

    Hi Heiko,

    did you have a look at the wikidata directory itself?
    http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/
    <http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/>

    There are those:
    external_links_wikidata.ttl.bz2

<http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/external_links_wikidata.ttl.bz2> and

    interlanguage_links_ca_wikidata.tql.bz2
    
<http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/interlanguage_links_ca_wikidata.tql.bz2>
  ...
    Is that what you are looking for?
    Cheers.
    Markus Freudenberg
    Release Manager, DBpedia <http://wiki.dbpedia.org>
    On Tue, Jan 10, 2017 at 9:22 AM, Heiko Paulheim
    <he...@informatik.uni-mannheim.de
    <mailto:he...@informatik.uni-mannheim.de>> wrote:

        Dear DBpedians, I have noticed that in the most recent
        version of DBpedia, there are owl:sameAs links between
        DBpedia and Wikidata, e.g.,
        <http://dbpedia.org/resource/Mannheim
        <http://dbpedia.org/resource/Mannheim>> owl:sameAs
        <http://www.wikidata.org/entity/Q2119
        <http://www.wikidata.org/entity/Q2119>> . However, I cannot
        find any file that collects all those links, e.g., in
        http://downloads.dbpedia.org/2016-04/links/
        <http://downloads.dbpedia.org/2016-04/links/> Could you
        please provide me with a pointer to those links? Thanks,
        Heiko -- Prof. Dr. Heiko Paulheim Data and Web Science Group
        University of Mannheim Phone: +49 621 181 2661
        <tel:%2B49%20621%20181%202661> B6, 26, Room C1.09 D-68159
        Mannheim Mail: he...@informatik.uni-mannheim.de
        <mailto:he...@informatik.uni-mannheim.de> Web:
        www.heikopaulheim.com <http://www.heikopaulheim.com>
        
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-- Prof. Dr. Heiko Paulheim

    Data and Web Science Group
    University of Mannheim
    Phone:+49 621 181 2661 <tel:+49%20621%201812661>
    B6, 26, Room C1.09
    D-68159 Mannheim

    Mail:he...@informatik.uni-mannheim.de
    <mailto:he...@informatik.uni-mannheim.de>
    Web:www.heikopaulheim.com <http://www.heikopaulheim.com>

    
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--
Kontokostas Dimitris

--
Prof. Dr. Heiko Paulheim
Data and Web Science Group
University of Mannheim
Phone: +49 621 181 2661
B6, 26, Room C1.09
D-68159 Mannheim

Mail: he...@informatik.uni-mannheim.de
Web: www.heikopaulheim.com

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