This document provides an overview of a module on decision support systems. It discusses that the module will examine knowledge engineering techniques and reasoning strategies to support organizational decision making. Students will analyze cognitive decision making processes and critically assess how decision support systems provide support. The module will include lectures, labs, and tutorials using different software. It will be assessed through an exam and a case study. The lecture topics will cover decision modeling, group decision making, knowledge acquisition, and data mining. Labs will involve using decision support software and thinking about decision processes and structures.