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Correctly uses sub-class relationships in support of inference.

OWL 2 Web Ontology Language Primer (Second Edition)

This primer provides an approachable introduction to OWL 2, including orientation for those coming from other disciplines, a running example showing how the language can [...]

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By |May 18th, 2017|Comments Off on OWL 2 Web Ontology Language Primer (Second Edition)

RDFS for Hierarchy and Subsumption

This PowerPoint presentation explains the role which concepts from thesauri and taxonomies play in Linked Data (especially as they relate to SKOS). It briefly discusses [...]

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By |April 1st, 2017|Comments Off on RDFS for Hierarchy and Subsumption

Protege: How To Define Property Types and Axioms

This video is about defining property types and axioms using Protégé, a free, open-source ontology editor and framework. Although the video deals with one specific [...]

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By |January 10th, 2017|Comments Off on Protege: How To Define Property Types and Axioms

Protege: How To Add Individuals

This video is about adding individuals to an ontology which was previously created using Protégé, a free, open-source ontology editor and framework. Although the video [...]

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By |January 10th, 2017|Comments Off on Protege: How To Add Individuals

Protege: How To Define Classes as Property Restrictions

This video is about defining new classes by leveraging the property restrictions of existing classes. This is demonstrated with Protégé, a free, open-source ontology editor [...]

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By |January 10th, 2017|Comments Off on Protege: How To Define Classes as Property Restrictions

Protege: How To Define Class Axioms

This video is about defining class axioms using Protégé, a free, open-source ontology editor and framework. Although the video deals with one specific tool, it [...]

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By |January 10th, 2017|Comments Off on Protege: How To Define Class Axioms

Simple Protege Tutorial: Creating the Ontology Classes

In this video, the presenter demonstrates the first steps of starting an ontology project using the Protege tool. The initial classes and sub-classes are created.URL: [...]

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By |January 8th, 2017|Comments Off on Simple Protege Tutorial: Creating the Ontology Classes

Simple Protege Tutorial: Creating and Publishing Another Ontology

Building on the previous videos in the series, the viewer is encouraged to create a and publish a second ontology on their own. Essentially serves [...]

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By |January 8th, 2017|Comments Off on Simple Protege Tutorial: Creating and Publishing Another Ontology

Coloring RDF Triples to Capture Provenance

Recording provenance information of RDF triples aggregated from different heterogeneous sources is crucial in order to effectively support trust mechanisms, digital rights and privacy policies. [...]

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By |November 22nd, 2016|Comments Off on Coloring RDF Triples to Capture Provenance

Markup Languages and Document Processing: RDF Schema

These lecture slides were used for the course "Markup Languages and Document Processing", part of the Master in Informatics and Computing Engineering program at Porto [...]

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By |November 21st, 2016|Comments Off on Markup Languages and Document Processing: RDF Schema