Blog | Michael DeBellis

Integrating Large Language Models and Knowledge Graphs to Implement Retrieval Augmented Generation (RAG)

Michael DeBellis

Jul 182 min

Integrating Large Language Models and Knowledge Graphs to Implement Retrieval Augmented Generation (RAG)

Retrieval Augmented Generation is an architecture that integrates ontologies and LLMs and eliminates hallucinations and black-box reasoning

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The Turing/Church Proofs: How Logicians Created Computer Science

Michael DeBellis

Jul 119 min

The Turing/Church Proofs: How Logicians Created Computer Science

I try to focus most of my posts on practical topics that will help people developing ontologies and knowledge graphs. However, every once...

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Using SPARQL to Delete Duplicate Instances

Michael DeBellis

Apr 93 min

Using SPARQL to Delete Duplicate Instances

Describes developing a query to delete objects that have different IRIs but are essentially duplicates.

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Using an LLM to help build ontologies: The Basic Formal Ontology (BFO) Assistant

Michael DeBellis

Feb 11 min

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)

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Puns in the Web Ontology Language (OWL): Why We Need Them and How to Use Them

Michael DeBellis

Nov 21, 20238 min

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

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Michael DeBellis

Nov 9, 20232 min

One Good Hack Deserves Another

SPARQL query to delete asserted property values on datatype super properties

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The DaanMatch System: A Knowledge Graph linking NGOs with UN Sustainable Development Goals

Michael DeBellis

Oct 25, 20233 min

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

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Using OWL Models to Bring Rigor to the "Soft" Sciences

Michael DeBellis

Oct 24, 20234 min

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

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Michael DeBellis

Aug 28, 20232 min

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...

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Michael DeBellis

Jun 26, 20231 min

YouTube Videos for Protégé Tutorial

Link to a YouTube playlist that takes you through some basic steps in Protégé

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Michael DeBellis

Apr 13, 20232 min

Artificially Unintelligent Hysteria

The proposed AI timeout is just hysteria. There is no danger of sentient AI and attempts to "pause" research are unfounded.

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Michael DeBellis

Apr 10, 20231 min

John Searle's Chinese Room Argument

I recently published an article where I take issue with John Searle's Chinese Room argument against Artificial Intelligence

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Michael DeBellis

Feb 28, 20232 min

New Version of Protégé!

New version of Protégé rocks!

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Michael DeBellis

Jan 10, 20236 min

Using SKOS to Define Mappings

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

1,101 views1 comment

Synonyms, IRIs, and Labels in OWL and SKOS

Michael DeBellis

Jan 10, 20236 min

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.

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Michael DeBellis

Dec 22, 20224 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.

1,361 views1 comment

UN Sustainable Development Goals Ontology

Michael DeBellis

Nov 17, 20223 min

UN Sustainable Development Goals Ontology

Case study of how Cellfie and SPARQL can automate developing an ontology to model the UN Sustainable Development Goals.

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Book Review: Memory and the Computational Brain by Gallistel and King

Michael DeBellis

Sep 22, 20224 min

Book Review: Memory and the Computational Brain by Gallistel and King

Book review of Memory and the Computational Brain by Galliestel and King, it challenges the idea that all cognition is based on neurons.

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Michael DeBellis

May 30, 20223 min

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

2,271 views1 comment

Knowledge Representation and the Semantic Web

Michael DeBellis

May 5, 20221 min

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...

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