CWM - TimBL's Closed World Machine. CWM is a popular Semantic Web program that can do the following tasks:- Parse and pretty-print the following RDF formats: XML RDF, Notation3, and NTriplesStore triples in a queryable triples databasePerform inferences as a forward chaining FOPL inference enginePerform builtin functions such as comparing strings, retrieving resources, all using an extensible builtins suite CWM was written in Python from 2000-10 onwards by Tim Berners-Lee and Dan Connolly of the W3C.
A Framework for Web Science. Creating a Science for the Web. COMPUTER SCIENCE: Enhanced: Creating a Science of the Web.