Tag Archives: Python

Metaclass Framework of CLOS, Python, and RDF(S)

As shown in the RDF Schema file, rdfs:Resource is a superclass of all classes including rdfs:Class, and rdfs:Class is a class of all classes including rdfs:Resource. Surprisingly, two object oriented languages, Common Lisp Object System (CLOS) and Python3.x show the … Continue reading

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Universal Class

In the document of RDF Semantics, the term “universal class” appears only once in the discussion on membership loop. When classes are introduced in RDFS, they may contain themselves. … In particular, this use of a class extension mapping allows … Continue reading

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