I've plinked the latest draft of the NODAL paper. It is available from: (01) http://www.ai.sri.com/~leei/OHS or http://nodal.sf.net (02) ------------------------------------------------------------------------------- Lee Iverson SRI International leei@ai.sri.com 333 Ravenswood Ave., Menlo Park CA 94025 http://www.ai.sri.com/~leei/ (650) 859-3307 (03)