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Dataset Open Access

CaLiGraph - A Large-Scale Semantic Knowledge Graph compiled from Wikipedia Categories and List Pages

Heist, Nicolas; Paulheim, Heiko


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    <subfield code="a">&lt;p&gt;CaLiGraph is a large-scale semantic knowledge graph with a rich ontology which is compiled from the DBpedia ontology, and Wikipedia categories &amp;amp; list pages. For more information, visit http://caligraph.org&lt;/p&gt;

&lt;p&gt;Information about uploaded files:&lt;br&gt;
(all files are b-zipped and in the n-triple format)&lt;br&gt;
&lt;br&gt;
&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-metadata.nt.bz2"&gt;caligraph-metadata.nt.bz2&lt;/a&gt;&lt;br&gt;
Metadata about the dataset which is described using void vocabulary.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-ontology.nt.bz2"&gt;caligraph-ontology.nt.bz2&lt;/a&gt;&lt;br&gt;
Class definitions, property definitions, restrictions,&amp;nbsp;and labels of the CaLiGraph ontology.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-ontology_dbpedia-mapping.nt.bz2"&gt;caligraph-ontology_dbpedia-mapping.nt.bz2&lt;/a&gt;&lt;br&gt;
Mapping of classes and properties to the DBpedia ontology.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-ontology_provenance.nt.bz2"&gt;caligraph-ontology_provenance.nt.bz2&lt;/a&gt;&lt;br&gt;
Provenance information about classes (i.e. which Wikipedia category or list page has been used to create this class).&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_types.nt.bz2"&gt;caligraph-instances_types.nt.bz2&lt;/a&gt;&lt;br&gt;
Definition of instances and (non-transitive) types.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_transitive-types.nt.bz2"&gt;caligraph-instances_transitive-types.nt.bz2&lt;/a&gt;&lt;br&gt;
Transitive types for instances (can also be induced by a reasoner).&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_labels.nt.bz2"&gt;caligraph-instances_labels.nt.bz2&lt;/a&gt;&lt;br&gt;
Labels for instances.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_relations.nt.bz2"&gt;caligraph-instances_relations.nt.bz2&lt;/a&gt;&lt;br&gt;
Relations between instances derived from the class restrictions of the ontology (can also be induced by a reasoner).&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_dbpedia-mapping.nt.bz2"&gt;caligraph-instances_dbpedia-mapping.nt.bz2&lt;/a&gt;&lt;br&gt;
Mapping of instances to respective DBpedia instances.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/caligraph-instances_provenance.nt.bz2"&gt;caligraph-instances_provenance.nt.bz2&lt;/a&gt;&lt;br&gt;
Provenance information about instances (e.g.&amp;nbsp;if the instance has been extracted from a Wikipedia list page).&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/dbpedia_caligraph-instances.nt.bz2"&gt;dbpedia_caligraph-instances.nt.bz2&lt;/a&gt;&lt;br&gt;
Additional instances of CaLiGraph that are not in DBpedia.&lt;br&gt;
! This file is no part of CaLiGraph but should rather be used as an extension to DBpedia. The triples use the DBpedia namespace and&amp;nbsp;can thus be used to directly extend DBpedia.&amp;nbsp;!&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/dbpedia_caligraph-types.nt.bz2"&gt;dbpedia_caligraph-types.nt.bz2&lt;/a&gt;&lt;br&gt;
Additional types of CaLiGraph that are not in DBpedia.&lt;br&gt;
! This file is no part of CaLiGraph but should rather be used as an extension to DBpedia. The triples use the DBpedia namespace and&amp;nbsp;can thus be used to directly extend DBpedia.&amp;nbsp;!&lt;/p&gt;

&lt;p&gt;&lt;a href="https://zenodo.org/api/files/042e92ff-0bf7-4d3a-8edb-a5bf491f9a19/dbpedia_caligraph-relations.nt.bz2"&gt;dbpedia_caligraph-relations.nt.bz2&lt;/a&gt;&lt;br&gt;
Additional relations of CaLiGraph that are not in DBpedia.&lt;br&gt;
! This file is no part of CaLiGraph but should rather be used as an extension to DBpedia. The triples use the DBpedia namespace and&amp;nbsp;can thus be used to directly extend DBpedia.&amp;nbsp;!&lt;/p&gt;

&lt;p&gt;&amp;nbsp;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Changelog&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;v1.0.9&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Additional alternative labels for CaLiGraph instances&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;v1.0.8&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Small cosmetic changes to URIs to be closer to DBpedia URIs&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;v1.0.7&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Mappings from CaLiGraph classes to DBpedia classes are now realised via rdfs:subClassOf instead of owl:equivalentClass&lt;/li&gt;
	&lt;li&gt;Entities are now URL-encoded to improve accessibility&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;v1.0.6&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Fixed a bug in the ontology creation step that led to a substantially lower amount of sub-type relationships than actually exist. The new version provides a richer type hierarchy that also leads to an increased amount of types for resources.&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;v1.0.5&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Fixed a bug that has declared CaLiGraph predicates as subclasses of owl:Predicate instead of being of the type owl:Predicate.&lt;/li&gt;
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