... Prentice-Hall.Thierauf, R.J. (1982) Decision Support Systems for Effective Planning and Control,Prentice-Hall. © 2004 Agustin Rodriguez-Bachiller with John Glasson 30 GIS and expert systems for ... Canada,Ovum Ltd. © 2004 Agustin Rodriguez-Bachiller with John Glasson 38 GIS and expert systems for IA(commercially and for research) of a multitude of expert- system toolscalled “shells”, empty ... Knowledge Acquisition for Expert Systems, Kogan Page, London. Hayes-Roth, F., Waterman, D.A. and Lenat, D.B. (1983a) An Overview of Expert Systems, in Hayes-Roth, F., Waterman, D.A. and Lenat, D.B....