The topics discussed in this chapter are: Use of IT to support decision making covers a broad swath of territory; some technologies aim to alert people to anomalies, discontinuities, and shortfalls; others aim to make decisions, either as recommendations to people or to act on behalf of people; handing over decisions to systems has its pros and cons, thus their actions need to be monitored. | Supporting Decision Making Lecture 27 1 Systems for Supporting Knowledge-Based Work Today we shall look at, Decision Support Systems (DSS) Data Mining Executive Information Systems (EIS), and Expert Systems Agent-based Modelling How to create a real-time enterprise Case examples include: a problem-solving scenario, Ore-Ida Foods, a major services company, Harrah’s Entertainment, Xerox Corporation, General Electric, American Express, Delta Air Lines, a real-time interaction on a website, and Western Digital 2 Introduction Most computer systems support decision making because all software programs involve automating decision steps that people would take Decision making is a process that involves a variety of activities, most of which handle information A wide variety of computer-based tools and approaches can be used to confront the problem at hand and work through its solution 3 A PROBLEM-SOLVING SCENARIO Case Example – Supporting Decision Making Using an executive information system, | Supporting Decision Making Lecture 27 1 Systems for Supporting Knowledge-Based Work Today we shall look at, Decision Support Systems (DSS) Data Mining Executive Information Systems (EIS), and Expert Systems Agent-based Modelling How to create a real-time enterprise Case examples include: a problem-solving scenario, Ore-Ida Foods, a major services company, Harrah’s Entertainment, Xerox Corporation, General Electric, American Express, Delta Air Lines, a real-time interaction on a website, and Western Digital 2 Introduction Most computer systems support decision making because all software programs involve automating decision steps that people would take Decision making is a process that involves a variety of activities, most of which handle information A wide variety of computer-based tools and approaches can be used to confront the problem at hand and work through its solution 3 A PROBLEM-SOLVING SCENARIO Case Example – Supporting Decision Making Using an executive information system, (EIS) to compare budget to actual sales Discover a sale shortfall in one region Searches for the cause of the shortfall But couldn’t find an answer 4 A PROBLEM-SOLVING SCENARIO Case Example – Supporting Decision Making cont. Investigate – several possible causes Economic Conditions – through the EIS & the Web accesses: Wire services Bank economic newsletters Current business and economic publications Competitive Analysis – through the same sources investigates whether competitors: 5 A PROBLEM-SOLVING SCENARIO Case Example – Supporting Decision Making cont. Have introduced a new product Have launched an effective ad campaign Written Sales Report – browses the reports “Concept based” text retrieval system makes this easier A Data Mining Analysis Looking for any previously unknown relationships A PROBLEM-SOLVING SCENARIO Case Example – Supporting Decision Making cont. Then accesses a marketing DSS – includes a set of models to analyze sales patterns by: Product Sales representative Major
