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Michael DeBellis
Nov 25 min read
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...
65 views0 comments
Michael DeBellis
Apr 93 min read
Using SPARQL to Delete Duplicate Instances
Describes developing a query to delete objects that have different IRIs but are essentially duplicates.
138 views0 comments
Michael DeBellis
Nov 9, 20232 min read
One Good Hack Deserves Another
SPARQL query to delete asserted property values on datatype super properties
42 views0 comments
Michael DeBellis
Oct 25, 20233 min read
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
218 views0 comments
Michael DeBellis
Nov 17, 20223 min read
UN Sustainable Development Goals Ontology
Case study of how Cellfie and SPARQL can automate developing an ontology to model the UN Sustainable Development Goals.
427 views0 comments
Michael DeBellis
May 30, 20223 min read
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
2,409 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...
1,012 views0 comments
Michael DeBellis
Jan 4, 20222 min read
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...
1,045 views0 comments
Michael DeBellis
Dec 1, 20213 min read
Using SPARQL to Refactor User Names to UUIDs
Use SPARQL to convert user supplied IRI names to UUIDs
571 views0 comments
Michael DeBellis
Oct 19, 20212 min read
An Agile Approach to Knowledge Graph Development
A paper on the CODO knowledge graph that captures epidemiological and contact tracing data about the Covid-19 pandemic.
563 views0 comments
Michael DeBellis
Oct 7, 20212 min read
The People_Example Ontology
I'm working on an article where I provide an overview of the various semantic web technologies such as OWL, SWRL, SPARQL, and SHACL. As...
5,287 views5 comments
Michael DeBellis
Sep 30, 20213 min read
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.
28,989 views17 comments
Michael DeBellis
Apr 26, 20211 min read
Semtech 2021 Workshop
Presentations from the Semtech 2021 Semantic Web workshop held at the Indian Statistical Institute.
270 views0 comments
Michael DeBellis
Aug 7, 20202 min read
CODO: An Ontology for Collection and Analysis of Covid-19 Data
CODO is an ontology to provide semantics to data on the Covid-19 pandemic
562 views0 comments
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