RDF/OWL support for Common Lisp

As I wrote in the comments on this issue, it would be a nice project to improve Wilbur and Racer2 making them more modular and robust. It is a shame the current support for RDF/OWL in Lisp, it is almost nothing compare with Python and Java libraries available such as:

• https://rdflib.readthedocs.io/en/stable/
• https://jena.apache.org

The only robust library available for RDF/OWL in Lisp is the Allegro Graph system from Franz, but it is a commercial and since its 3.X version, it can’t be used as a library for simples RDF/OWL manipulations.

I found https://github.com/SeijiKoide/SWCLOS but I haven’t tried it yet. The ideas didn’t not evolved so much since the paper The Use of Lisp in Semantic Web Applications.

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