Hi, In case it helps, there is also an a few months old version from the latest DBpedia release for properties [1,2] and classes [3,4]. the properties do not contain the "rdf:type rdf:Property / owl:*Property" definitions and the current dump of the classes contain only subClassOf statements to DBpedia classes based on some mappings described in [5]
[1] http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/properties_wikidata.ttl.bz2 [2] http://downloads.dbpedia.org/preview.php?file=2016-04_sl_core-i18n_sl_wikidata_sl_properties_wikidata.ttl.bz2 (preview) [3] http://downloads.dbpedia.org/2016-04/core-i18n/wikidata/ontology_subclassof_wikidata.ttl.bz2 [4] http://downloads.dbpedia.org/preview.php?file=2016-04_sl_core-i18n_sl_wikidata_sl_properties_wikidata.ttl.bz2 (preview) [5] http://www.semantic-web-journal.net/content/wikidata-through-eyes-dbpedia-1 On Thu, Jan 5, 2017 at 11:21 PM, Stas Malyshev <smalys...@wikimedia.org> wrote: > Hi! > > > The best you can get in terms of "downloading the wikidata ontology" > would be to > > download all properties and all the items representing classes. We > currently > > don't have a separate dump for these. Also, do not expect this to be a > concise > > or consistent model that can be used for reasoning. You are bound to find > > contradictions and lose ends. > > Also, Wikidata Toolkit (https://github.com/Wikidata/Wikidata-Toolkit) > can be used to generate something like taxonomy - see e.g. > http://tools.wmflabs.org/wikidata-exports/rdf/exports/ > 20160801/dump_download.html > > But one has to be careful with it as Wikidata may not (and frequently > does not) follow assumptions that are true for proper OWL models - there > are no limits on what can be considered a class, a subclass, an > instance, etc. Same entity can be treated both as class and individual, > and there may be some weird structures, including even outright errors > such as cycles in subclass graph, etc. And, of course, it changes all > the time :) > > -- > Stas Malyshev > smalys...@wikimedia.org > > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata > -- Kontokostas Dimitris
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