Decision Support Systems Marek J. Druzdzel and Roger R. Flynn Decision Systems Laboratory School of Information Sciences and Intelligent Systems Program University of Pittsburgh Pittsburgh‚ PA 15260 {marek‚flynn}@sis.pitt.edu http://www.sis.pitt.edu/∼dsl To appear in Encyclopedia of Library and Information Science‚ Second Edition‚ Allen Kent (ed.)‚ New York: Marcel Dekker‚ Inc.‚ 2002 1 Contents Introduction Decisions and Decision Modeling Types of Decisions . . . . . . . . . . . . .
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Chapter 8 Decision Support Systems Managers and Decision Making A decision refers to a choice made between alternatives. Why Managers Need the Support of Information Technology. It is very difficult to make good decisions without valid‚ timely and relevant information. Number of alternatives to be considered is increasing Many decisions are made under time pressure. Due to uncertainty in the decision environment‚ it is frequently necessary to conduct a sophisticated analysis
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ECO 550 WEEK 6 CHAPTER 11 AND CHAPTER 12 PROBLEMS download here Chapter 11 2. Ajax Cleaning Products is a medium-sized firm operating in an industry dominated by one large firm Tile King. Ajax produces a multi-headed tunnel wall scrubber that is similar to a model produced by Tile King. Ajax decides to charge the same price as Tile King to avoid the possibility of a price war. The price charged by Tile King is $20‚000. Ajax has the following short-run cost curve: ‚000 - 5‚000Q + 100Q2. A. Computer
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BBIT 421/CISY 427: DECISION SUPPORT AND EXPERT SYSTEMS Decision support systems: These systems give direct computer support to managers during the decision-making process. For example‚ advertising managers may use an electronic spreadsheet program to do what-if analysis as they test the impact of alternative advertising budgets on the forecasted sales of new products. Decision support systems are computer-based information systems that provide interactive information support to managers and business
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Figure 1: Decision Support Systems. Retrieved from http://www.dreamstime.com/royalty-free-stock-images-word-cloud-dss-decision-support-system-related-items-image35542029 INTRODUCTION Decision Support System (DSS) is a computer based system which uses analytical models‚ specialized databases and aids the decision makers in making complex decisions in an organization. In the old days‚ a group of professional people in a company used to consider various factors and variables while taking a complex
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ASSIGNMENT OF INFORMATION SYSTEM AND ADMINISTRATION NAME : QUDSIA AZEEM CLASS: BBA 3B DATE : 27-3-2013 JINNAH UNIVERSITY FOR WOMEN SUMMARY OF THE ARTICLE DECISION SUPPORT SYSTEMS AND WEB TECHNOLOGIES: A STATUS REPORT DECISION SUPPORT SYSTEMS‚ WORLD-WIDE WEB‚ DATA DRIVEN DSS‚ MODEL-DRIVEN DSS‚ IMPLEMENTATION. Introduction to DSS: A decision support system (DSS) is a computer-based information system that supports business or organizational decision-making activities. DSSs serve the management
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Assignment 4: Decision Support Systems Making decisions concerning complex systems (e.g.‚ the management of organizational operations‚ industrial processes‚ or investment portfolios; the command and control of military units; or the control of nuclear power plants) often strains our cognitive capabilities. Even though individual interactions among a system’s variables may be well understood‚ predicting how the system will react to an external manipulation such as a policy decision is often difficult
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ECO 550 Week 5 Problems Chapter 9 and 10 Chapter 9 3. A study of the costs of electricity generation for a sample of 56 British firms in 1946–1947 yielded the following long-run cost function:16 AVC = 1.24 + .0033Q + .0000029Q2 − .000046QZ − .026Z + .00018Z2 where AVC = average variable cost (i.e.‚ working costs of generation)‚ measured in pence per kilowatt-hour (kWh). (A pence was a British monetary unit equal‚ at that time‚ to 2 cents U.S.) Q = output; measured in millions of kWh per
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situations that need critical analysis‚ compilation of raw data‚ circulation of precise documents and effective utilization of computer systems. Frito Lay is an example of a company who implemented various decision support systems (DSS) into their business model. A DSS is a “highly flexible and interactive IT system that is designed to support decision making when the problem is not structured.” (Haag‚ Cummins p.162) Managers require information to guide their organization in the right direction. DSS increases
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Decision Support Systems (DSS) A Decision Support System (DSS) is an information system at the management level of an organization that combines data‚ analytical tools‚ and models to support semistructured and unstructured decision-making. A DSS can handle low volume or massive databases optimized for data analysis. DSS has more power than other systems. They are built explicitly with a variety of models to analyze data or they condense large amounts of data into a form where they can be analyzed
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