Michael DeBellis
Using SKOS to Define Mappings
Describes ways to use the Simple Knowledge Organization System (SKOS) to define mappings from one Concept Scheme to another.
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Michael DeBellis
- Dec 22, 2022
- 4 min
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.
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Michael DeBellis
- Jan 14, 2022
- 2 min
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...
411 views1 comment
Michael DeBellis
- Jan 4, 2022
- 2 min
Making UUIDs Easier to Use With Prefixes
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...
165 views0 comments
Michael DeBellis
- Sep 30, 2021
- 1 min
New Protégé Pizza Tutorial
New version of the Pizza Tutorial for Protégé. Consistent with latest Protégé UI and new sections for SWRL, SPARQL, and SHACL.
13,620 views7 comments
Michael DeBellis
- Apr 26, 2021
- 1 min
Semtech 2021 Workshop
Presentations from the Semtech 2021 Semantic Web workshop held at the Indian Statistical Institute.
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Michael DeBellis
- Feb 3, 2021
- 4 min
A Simple Measurement Vocabulary
Simple Web Ontology Language (OWL) vocabulary for measurements in units. Uses SWRL to compute orders and to transform units.
390 views0 comments
Michael DeBellis
- Dec 7, 2020
- 4 min
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
1,102 views1 comment
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