This is a new feature for me, focusing on facets of data modeling, RDF, SPARQL, SHACL, and related semantic content,…
Category: Code
Figuring Out Vs. Knowing
I had a chance (finally) to read Dean Allemang’s recent article about the 2023 KGC Conference, Woolf at the Door:…
Transformational Tricks for RDF/SPARQL
I gave this tutorial at the 2023 Knowledge Graph Conference at Cornell University. The tutorial included a demo showcasing how…
SPARQL Tricks With Named Graphs and rdf:*
When people think about designing ontologies, they frequently leave one of the most powerful tools available to a modeler –…
Knowledge Graph Prompts, Exemplified
In my last article (Why Prompts Are The Future of Knowledge Graphs), I explored why a prompt-based approach to knowledge…
An Interview with ChatGPT About Knowledge Graphs
A great deal has been written on ChatGPT and its implications for semantics and knowledge graphs. However, it occurred to…
Ask Any (Technical) Mermaid
In the last few years, something of a sea change has hit the world of technical and data graphics, after…
Of Superheroes, Hypergraphs and the Intricacy of Roles
Ontologists, especially neophyte data modelers, often get caught up in the definition of classes, wanting to treat everything as a class. However, there are two types of things that don’t actually fit cleanly into traditional distinctions of class: roles and categorizations. I’m not going to keep the focus of this article on roles, preferring to treat categorizations separately, though they have a lot of overlap.
Adding Lists and Sequences To Sparql
This particular article is a discussion about a recommendation to a given standard, that of Sparql 1.1. None of this…
What’s In A Name?
I am Kurt Cagle, or, according to my birth certificate, Kurt Alan Cagle. My name is Kurt Cagle.
Now, think about that for a bit. The to be verb is remarkably slippery, and it is slippery in almost every language on the planet that has such a construct.
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