A short article on a subtle "gotcha" involving http and https in IRIs plus some info on catalog XML files

Description of a system developed using Retrieval Augmented Generation (RAG) and a knowledge graph as a portal for Climate Obstruction researchers

The reasons that puns are needed in the Web Ontology Language (OWL) and some discussion of how to use them

SPARQL query to delete asserted property values on datatype super properties