Research projects that attempt to build a complete knowledge base of commonsense knowledge (e.g., Cyc) require enormous amounts of laborious ontological engineering—they must be built, by hand, one complicated concept at a time.
Proyek seseleh sané jaga ngwangun basis pengetahuan ljangkep saking pamineh becik (minakadi, Cyc) ngamerluang akéh pisan rekayasa ontologis sané banget ngawinang leleh—ipun pasti sampun kawangun, antuk tangan, asiki konsep sukil ring asiki galah.