Lunteren (January 12 - 15, 1999).

The following minicourses were organized:
A. Mandelbaum (Technion, Haifa, Israel): Service engineering: modeling, analysis and inference of stochastic service networks.
Y.E. Nesterov (Mathematical Institute, Academy of Sciences, Moscow, Russia): Theory and applications of convex optimization.
H.E. Scarf (Yale University, New Haven, USA): Test sets for integer programs.
Other lectures were presented by L.A. Hall (The Johns Hopkins University, Baltimore, USA), P.R. Jelenkovic (Columbia University, New York, USA) and A. Marchetti-Spaccamela (University of Rome, Italy).
In cooperation with the NGB, a seminar on Enterprise Resource Planning and Operations Research was held with as speakers: M. van Assen (Urenco & Twente University), R. Bemelmans (PricewaterhouseCooper), J. van Heiningen (OM Partners), A.G. de Kok (Eindhoven University of Technology), M. Sol (Baan Company), H.D. Ratcliff (Georgia Tech & Baan Company) and J. van der Veen (Nijerode University).
Twelve PhD students presented their research results.