In the first article in this series, I explained some of the semantics of RDF via Prolog (and vice versa). In this article, I'll explore some of the nitty-gritty of working with RDF in Prolog using the SWI-Prolog system. Using RDF with SWI-Prolog SWI-Prolog is a fast, robust, and free open-source Prolog system with great support for XML and RDF. It's being used as an inference engine for Mozilla a