C. Han, R. Lakshmanan, B.R. Bakshi, and G. Stephanopoulos, Nonmonotonic Reasoning: The Synthesis of Operating Procedures in Chemical Plants. P.M. Saraiva, Inductive and Analogic Learning: Data-Driven Improvement ofProcess Operations. A. Koulouris, B.R. Bakshi, and G. Stephanopoulos, Empirical Learning through Neural Networks: The Wave-Net Solution. B.R. Bakshi and G. Stephanopoulos, Reasoning in Time: Modeling, Analysis, and Pattern Recognition of Temporal Process Trends. M.J. Realff, Intelligence in Numerical Computing: Improving Batch Scheduling Algorithms through Explanation-Based Learning. References. Subject Index for Volumes 21 &22. Contents of Volumes in this Serial.