ABSTRACT: An introduction to several articles is presented. Articles discussed include "AEI: A Knowledge-Based Approach to Integrated Office Systems," by Chandra Amaravadi, Olivia Sheng, Joey George, and Jay Nunamaker, "Knowledge-Based Support for Combining Qualitative and Quantitative Judgments in Resource Allocation Decisions," by Ritu Agarwal, Mohan R. Tanniru, and Marcos DaCruz, and "Performance Analysis of 'What-If' Databases Using Independently Updated Views," by Richard G. Ramirez, Uday R. Kulkarni, and Kathleen A. Moser.