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Using ChatGPT to Generate English Labels for a Spanish Ontology
I've been using ChatGPT to help with various kinds of analysis and coding tasks. Today I had the problem of generating English labels for...
Michael DeBellis
Nov 2, 20245 min read
103 views
0 comments


The Turing/Church Proofs: How Logicians Created Computer Science
12/27/24. When I first published this I got some of the details wrong. Specifically my discussion of countable and uncountable infinite...
Michael DeBellis
Jul 11, 20249 min read
152 views
0 comments


Using SPARQL to Delete Duplicate Instances
Describes developing a query to delete objects that have different IRIs but are essentially duplicates.
Michael DeBellis
Apr 9, 20243 min read
203 views
0 comments

Using an LLM to help build ontologies: The Basic Formal Ontology (BFO) Assistant
Using the Open AI Assistant tool to create an LLM enabled assistant to using the Basic Formal Ontology (BFO)
Michael DeBellis
Feb 1, 20241 min read
578 views
3 comments

Puns in the Web Ontology Language (OWL): Why We Need Them and How to Use Them
The reasons that puns are needed in the Web Ontology Language (OWL) and some discussion of how to use them
Michael DeBellis
Nov 21, 20238 min read
686 views
0 comments


One Good Hack Deserves Another
SPARQL query to delete asserted property values on datatype super properties
Michael DeBellis
Nov 9, 20232 min read
46 views
0 comments

The DaanMatch System: A Knowledge Graph linking NGOs with UN Sustainable Development Goals
The DaanMatch project and how knowledge graphs and NLP were used to facilitate linking NGOs with the UN Sustainable Development Goals
Michael DeBellis
Oct 25, 20233 min read
235 views
0 comments

Using OWL Models to Bring Rigor to the "Soft" Sciences
Examples of using the Web Ontology Language to rigorously define theories in the social sciences
Michael DeBellis
Oct 24, 20234 min read
159 views
0 comments

Creating a Custom Rules View Tab
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...
Michael DeBellis
Aug 28, 20232 min read
834 views
1 comment


YouTube Videos for Protégé Tutorial
Link to a YouTube playlist that takes you through some basic steps in Protégé
Michael DeBellis
Jun 26, 20231 min read
1,363 views
2 comments
New Version of Protégé!
New version of Protégé rocks!
Michael DeBellis
Feb 28, 20232 min read
912 views
2 comments

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
1,369 views
1 comment

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
955 views
0 comments

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
1,709 views
1 comment

UN Sustainable Development Goals Ontology
Case study of how Cellfie and SPARQL can automate developing an ontology to model the UN Sustainable Development Goals.
Michael DeBellis
Nov 17, 20223 min read
455 views
0 comments


Semantic Web vs. Property Graphs
Discusses the pros and cons of property graphs (Neo4J and Cypher) contrasted with the Semantic Web stack: RDF, OWL, SPARQL, SHACL, SWRL
Michael DeBellis
May 30, 20223 min read
2,629 views
1 comment

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
1,114 views
0 comments


Testing and Debugging Ontologies
Best practices for creating and using individuals as test data for OWL ontologies
Michael DeBellis
Jan 25, 20222 min read
676 views
0 comments


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...
Michael DeBellis
Jan 4, 20222 min read
1,192 views
0 comments


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
588 views
0 comments
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