Chapter headings and selected papers: Preface. Referees. Optimization Techniques. A principled approach to solving complex discrete optimization problems, B Macleod & R Moll. Boolean-combinatorial bounding of maximum 2-satisfiability, J-M Bourjolly et al. Linear Programming Interior Point Algorithms. Adapting the interior point method for the solution of linear programs on high performance computers, J Andersen et al. Networks. Alternate server disciplines for mobile-servers on a congested network, S K Park et al. Minimum graph vertex covering with the random neural network, E Gelenbe & F Batty. Computer Graphics in Operations Research. EDINET - A network editor for transshipment problems with facility location, W Ogryczak et al. Parallel Algorithms and Implementations. Computational experience with parallel algorithms for solving the quadratic assignment problem, P M Pardalos et al. On reporting the speedup of parallel algorithms: a survey of issues and experts, R S Barr & B L Hickman. Planning and Scheduling. Intelligent modelling, simulation and scheduling of discrete production processes, J Paredis & T van Rij. OOFP - object oriented flow planning, W Mergenthaler et al. Genetic Algorithms. Increased flexibility in genetic algorithms: the use of variable Boltzmann selective pressure to control propagation, M de la Maza & B Tidor. Heuristic Search Techniques. Heuristic solution procedures for the graph partitioning problem, E Rolland & H Pirkul. Data Retrieval. Enhancing data retrieval using artificially synthesized queries, B J Oommen & D T H Ng. Author Index. Subject Index.