The reasons that puns are needed in the Web Ontology Language (OWL) and some discussion of how to use them

Note: There was a problem with the link to the PDF for the tutorial below. It worked for me because I owned the file but for others since...

New version of Protégé rocks!

Describes ways to use the Simple Knowledge Organization System (SKOS) to define mappings from one Concept Scheme to another.

Basic concepts related to synonyms in the Web Ontology Language (OWL), Simple Knowledge Organization System (SKOS), and Protégé.

When you load an ontology from Desktop Protégé to Web Protégé defaults related to IRIs aren't what you would expect. Tells how to set them.

Case study of how Cellfie and SPARQL can automate developing an ontology to model the UN Sustainable Development Goals.

I recently wrote a paper with Robert Neches who used to be my boss at the Information Sciences Institute (ISI). When I work with...

In a previous blog post I discussed the difference between user supplied names for IRIs and UUIDs. I want to share a tip that Jim Balhoff...

Use SPARQL to convert user supplied IRI names to UUIDs

New version of the Pizza Tutorial for Protégé. Consistent with latest Protégé UI and new sections for SWRL, SPARQL, and SHACL.

Presentations from the Semtech 2021 Semantic Web workshop held at the Indian Statistical Institute.

Simple Web Ontology Language (OWL) vocabulary for measurements in units. Uses SWRL to compute orders and to transform units.

In Protégé and OWL an entity name can refer to the last part of the IRI or the label