s and derive new knowledge from old. It has been connected to a natural language engine, and designs have been created for the connection of Cye with Albus’s 4D-RCS [AMOI]. Cyc’s most unique aspect is the large database of commonsense knowledge that Cycorp has accumulated (millions of pieces of knowledge

ce hierarchy mediates interactions between perception and action based on its understanding of the world and the system’s goals. In his book [AMO01] Albus describes methods for extending 4D/RCS into a complete cognitive architecture, but these extensions have not been elaborated in full detail nor imple