1. FuXi 1.4: A Python-based, bi-directional logical reasoning system for the semantic web.
http://code.google.com/p/fuxi/
2. Beckett, D., Berners-Lee, T., Prud’hommeaux, E., Carothers, G.: Turtle - Terse RDF Triple Language. w
$$_3$$
c Recommendation, February 2014.
http://www.w3.org/TR/turtle/
3. Berners-Lee, T.: cwm (2000–2009).
http://www.w3.org/2000/10/swap/doc/cwm.html
4. Berners-Lee, T.: Notation 3 logic (2005).
http://www.w3.org/DesignIssues/N3Logic
5. Berners Lee, T.: Re: Implicit quantification in n3. Public-cwm-talk (2015).
http://lists.w3.org/Archives/Public/public-cwm-talk/2015JanMar/0001.html