4 ms·Nope, Cyc was built off a ridiculously complicated upper ontology using $80M+ over 25 years.by jonmc12 18y agoNope, Cyc was built off a ridiculously complicated upper ontology using $80M+ over 25 years.tectonic 18y agoWho uses Cyc?glymor 18y agoApparently various parts of the US security apparatus. Google Techtalk by Dr. Lenat http://video.google.de/videoplay?docid=-7704388615049492068 http://video.google.de/videoplay?docid=-7704388615049492068