Designing RDF-based vocabularies
OOPS!: Catalogue of Common Pitfalls
This catalogue of the most common pitfalls appearing when developing ontologies is part of the documentation for the OOPS! (OntOlogy Pitfall Scanner). The catalogue includes [...]
On Beyond OWL: Challenges for Ontologies on the Web
In this slide presentation, the author argues that "the need for ontologies in the real world is manifest and increasing". This talk explores some of [...]
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 [...]
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 [...]
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 [...]
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 [...]
What SKOS-XL adds to SKOS
In this blog post, the author describes the differences between SKOS and SKOS-XL. Includes a brief example (in Turtle syntax) of a SKOS-XL representation with [...]
Pulling SKOS "prefLabel" and "altLabel" Values Out of DBpedia
In this blog post, the author proposes that DBpedia may be the best source of reusable URIs when one is seeking to describe entities in [...]
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: [...]
Simple Protege Tutorial: Adding Individuals
In this video, individuals (aka, "instances") are created and assigned to the previously created classes and sub-classes. Also shows how to add data property assertions [...]