TY - RPRT TI - An analysis of existing ontological systems for applications in manufacturing and healthcare AU - Schlenoff, Craig AU - Denno, Peter AU - Libes, Don AU - Szykman, Simon AU - Ivester, Robert PY - 1999 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6301 DO - 10.6028/NIST.IR.6301 ER -