1 See also http://www.ils.nwu.edu:80/~korcuska/Articles/ITS96Sand/Jona-ITS96.html

2 See http://WWW-KSL.Stanford.EDU:80/knowledge-sharing/

3 See also http://advlearn.lrdc.pitt.edu/its-arch/papers/mizoguchi.html

4 See http://juicy.dh.trw.com:8090/tutorial/index.html for a tutorial on modeling in Rapide, using the architecture described in this paper as an example.