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Michael DeBellis
Nov 9, 20232 min read
One Good Hack Deserves Another
SPARQL query to delete asserted property values on datatype super properties
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Michael DeBellis
Jan 10, 20236 min read
Using SKOS to Define Mappings
Describes ways to use the Simple Knowledge Organization System (SKOS) to define mappings from one Concept Scheme to another.
1,232 views1 comment
Michael DeBellis
Dec 22, 20224 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.
1,538 views1 comment
Michael DeBellis
May 5, 20221 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...
1,023 views0 comments
Michael DeBellis
Jan 14, 20222 min read
Memory Management with Protégé
A common problem that Protégé users encounter when they start working with large ontologies is running out of memory, which results in an...
903 views2 comments
Michael DeBellis
Feb 3, 20214 min read
A Simple Measurement Vocabulary
Simple Web Ontology Language (OWL) vocabulary for measurements in units. Uses SWRL to compute orders and to transform units.
518 views0 comments
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