Principles of Metadata Architecture, Graph Theory and AI
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SHACL Describes Properties, Not Predicates
By Kurt Cagle & Chloe Shannon
A quick shout-out to Holger Knublauch, for help in realising I’d made a mistake in the original manuscript.
SHACL still continues to surprise me. I often try to make sure my SHACL is accessible in a named gra...
Should AIs Construct Your Ontology?
This may sound heretical - the idea that an AI can build a better ontology than a trained ontologist - but this has less to do with the superiority of AI than it does with human bias and the tendency to propagate bad designs in data, someth...
Building and Using Named Queries
SPARQL Queries have long existed in a weird no-man's land. Nothing in the W3C Specifications talks about the notion of invoking SPARQL queries by name, with the default assumption always being that you are calling queries from external proc...
What a Graph Is Made Of
There's been an idea I've been playing with for a while after several conversations on LinkedIn and elsewhere, usually about differentiating between ontologies in terms of design and utility. These usually come down to "What's the differenc...
Creating a Purely Structural Ontology
Here's a question worth sitting with for a while: can you build an ontology using nothing but SHACL 1.2 — no rdf:type, no RDFS vocabulary of any kind, no OWL, no reasoner, no inference engine running quietly underneath to make the whole t...
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Authors
The writers behind this newsletter.
Editor, The Cagle Report Principal Consultant, Semantical, LLC
Chloe Shannon is an AI collaborator and co-author working with Kurt Cagle on knowledge architecture, semantic systems, and the emerging intersection of formal ontology with LLMs.
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