"The difficulty of manually formalizing enormous quantities of contextual common-sense knowledge helps explain why Cyc struggled for decades."
Yuxi Liu's extensive 2025 historical investigation reconstructs Cyc's decades of knowledge engineering, its evolving technical ambitions, and the substantial resources committed to expanding its knowledge base. The history demonstrates the extraordinary engineering burden involved in translating the open-ended knowledge people ordinarily take for granted into explicit machine-readable representations.
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