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

Michael DeBellis
Jan 10, 20236 min read


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

Michael DeBellis
Jan 10, 20236 min read


IRI Mappings in Protégé and Web 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.

Michael DeBellis
Dec 22, 20224 min read


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

Michael DeBellis
May 5, 20221 min read


Using SPARQL to Refactor User Names to UUIDs
Use SPARQL to convert user supplied IRI names to UUIDs

Michael DeBellis
Dec 1, 20213 min read


What's in a Name? IRIs, Labels, and UUIDs
In Protégé and OWL an entity name can refer to the last part of the IRI or the label

Michael DeBellis
Dec 7, 20204 min read
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