TY - JOUR AU - Schlenoff, Craig AU - Denno, Peter AU - Ivester, Robert AU - Szykman, Simon AU - Libes, Don C2 - Artificial Intelligence in Engineering DA - 2000-01-01 LA - en M1 - Vol.14, No.4 PB - Artificial Intelligence in Engineering PY - 2000 TI - An Analysis of Existing Ontological Systems for Applications in Manufacturing ER -