Why not E-mail Doug Lenat at CYC? Maybe he'll send you the source code.
Brian
Member, Extropy Institute, www.extropy.org
Life Extension Foundation, www.lef.org
National Rifle Association, www.nra.org, 1.800.672.3888
Mars Society, www.marssociety.org
Ameritech Data Center Chicago, IL, Local 134 I.B.E.W