Management Support Systems Dr Sherif Kamel Department of Management School of Business, Economics and Communication Why Management Support Systems? To support managerial work To support decision making To render the organization-business flow more effective and more efficient Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Management Support Systems can also… Support managerial problem solving Change organizational structure Enable business transformation Change management methods Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Management and Decision Making Use of ICT Competition and effectiveness Speed and efficiency Management role in decision making Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Decision Support Systems DSS has many definitions Complexity of managerial decision making is increasing Computer support for managerial decision making Several MSS technologies including hybrids There are no specific rules (convergence is taking a leading role) Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Why Decision Support Systems? Decision support systems (DSS) can help managers understand problems in addition to providing solutions The objective of decision support systems is to increase the effectiveness of decision making Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Nature of Management Make Decisions according to Mintzberg (1980) the roles of management include Interpersonal Informational Figurehead, performs routine duties of social, ceremonial, or legal nature Leader, motivates subordinates Liaison, maintains network of contacts in environment for trading information and services Monitor, seeks and acquires information to have understanding of organization and its environment Disseminator, transmits information Spokesperson, transmits information to outsiders Decisional Entrepreneur, searches organization and environment for opportunities and initiates/devises controlled change in organization Disturbance handler, initiates/devises corrective action when org. faces unexpected disturbance Resource allocator, allocates resources, sets the strategy Negotiator, represents organization in negotiations with others Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Managers and ICT Managers need information and use information and communication technology to support the decision making process Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang IS and Managerial Decision Making Management is a process by which organizational goals are achieved through the use of resources Resources = Inputs Goal attainment = Output Measuring success is determined through productivity Productivity = Outputs/Inputs Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Input-Processing-Output Cycle Control of System Performance Input of Data Resources Output of Information Products Processing Data Storage of Data Resources Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Factors affecting Decision Making Information and communication technology Organizational structure Competition Market forces (local and international) Changes and transformations locally and globally Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang From TPS to DSS Computer applications evolving from TPS and MIS to proactive applications such as decision support systems (DSS) New modern management tools for decision support could be reflected in Data access On-line analytical processing (OLAP) Internet/Intranet/Web Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Why Using Technologies is needed in Decision Support? Speedy computations Overcome limits in processing and storage Volume may restrict an individual’s problem solving capability Cost reduction Technical support Quality support Competitive edge Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Decision Support Technologies Management Support Systems Decision Support Systems (DSS) Group Decision Support Systems (GDSS) Expert Systems (ES) Artificial Intelligence (AI) Enterprise (Executive) Information Systems (EIS) Knowledge Management Systems (KMS) Hybrid Support Systems Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Decision Support Framework Type of Decision Operational Managerial Control Control Strategic Control Structured Semistructured Unstructured Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Decision Support Path Simon Taxonomy 1977 Highly Unstructured Highly Structured (Non-programmed) (Programmed) Decisions Decisions Semistructured Decisions Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang From Unstructured to Structured Simon Taxonomy 1977 Unstructured problems have no structured phases (often solved with human intuition) Semi-structured problems have some (or some parts with) structured phases (usually solved with standard solution procedures and human judgment) Structured problems have all structured phases Procedures for obtaining the best solution are known Objectives are clearly defined Management support systems can be useful Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Decision Making Phases Simon Taxonomy 1977 Intelligence Searching for conditions that call for decisions Design Inventing, developing and analyzing possible courses of action Choice Selecting a course of action from those available Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Management Support Systems Addresses… Anthony Taxonomy 1965 Strategic planning Management control Operational control Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Computing Support for Structured Decisions Since the 1960s Repetitive in nature High level of structure Can abstract, analyze and classify them into prototypes Solve with quantitative formulas or models Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Scientific Approach for Managerial Decision Making 1. 2. 3. 4. 5. Define problem Classify problem Construct mathematical model Find and evaluate potential solutions Choose and recommend a solution Modeling is transforming the real-world problem into an appropriate prototype structure Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang DSS as a Concept DSS are interactive computer-based systems, which help decision makers utilize data and models to solve unstructured problems (Scott Morton, 1971) Decision support systems couple the intellectual resources of individuals with the capabilities of the computer to improve the quality of decisions DSS are computer-based support system for management decision makers who deal with semi-structured problems (Keen and Scott Morton, 1978) There is no universally accepted definition of DSS Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Major DSS Characteristics Initial risk analysis (management science) Model scrutiny using experience, judgment, and intuition Initial model mathematically correct, but incomplete Provide very quick analysis Flexible and responsive Allows managerial intuition and judgment Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Why Use DSS? Perceived benefits include Decision quality Improved communication Cost reduction Increased productivity Time savings Improved customer and employee satisfaction Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Group Support Systems Decisions often made by groups Supports groupwork, anytime, anyplace Groupware Electronic meeting systems Collaborative computing Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Executive Information (Support) Systems EIS/ESS Organizational view (macro-level) Information needs of executives and senior managers Customized user seductive interface Timely and effective tracking and control Drill-down menus Filter, compress, and track critical data, information and knowledge Identify problems and opportunities Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Executive Information (Support) Systems EIS/ESS Mid-1980s - large corporations Now Global Affordable to smaller companies Serves managers as enterprise-wide systems Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Expert Systems (ES) Experts solve complex problems Experts have specific knowledge and experience Expert systems mimic human experts ES performance comparable to or better than experts in a specialized and usually narrow problem area Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Intelligent Agents Help automate various tasks Increase productivity and quality Search engines Email Electronic commerce Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang Knowledge Management Systems (KMS) Capture and reuse knowledge at the organizational level Knowledge repository for storage Organizational impacts can be dramatic Copyright © 2006 Sherif Kamel Copyright © 2001-2006 Turban, Aronson and Liang