GORRY AND SCOTT MORTON GRID PDF


Gorry and Scott Morton’s Framework for Decision Support; Alter’s Taxonomy of DSS; Power’s Expanded DSS Framework. Decision Support framework for BIS. The Gorry and Scott Morton Grid. Management levels. Structured. Semistructured . Unstructured. Operational. control. Management. control. Strategic. planning. computer applications toward management decision making. ▫ They developed Gorry and Scott Morton Grid. ▫ The Grid is based on both Simon’s concept of.

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Management Information Systems, 10/e

Share buttons are a little bit lower. Published by Xavier Crumb Modified over 3 years ago. Know how the decision support system DSS concept originated. Know the fundamentals of mathematical modeling. Know how ahd use an electronic spreadsheet as a mathematical model. Know the four basic parts of an expert system.

Problem is a condition or event that is harmful or potentially harmful to a firm or that is beneficial or potentially beneficial. Decision making is the act of selecting from alternative problem solutions. Decision is a selected course of action. Intelligence phase — Searching the environment for conditions calling for a solution. Choice activity — Selecting a particular course of action from those available. Review activity — Assessing past choices. Recognizes the necessity of having good objectives.

Emphasizes the importance of all of the parts of the organization working together. Acknowledges the interconnections of the organization with its environment. Places goery high value goery feedback information that can only be achieved by means of a closed-loop system. Desired state — what the system should achieve. Current state — what the system is now achieving.

Internal take the form of limited resources that exist within the firm. Analysis — a systematic evaluation of options. Judgment — the mental process of a single manager. Bargaining — negotiations between several managers.

Symptoms Symptom is a condition produced by the problem.

Unstructured problem is one that contains no elements or relationships between elements that are understood by the problem hrid. Central to their concept was a table, called the Gorry-Scott Morton grid Figure An ability was added to permit problem solvers to work in groups.

The addition of groupware enabled the system to function as a group decision support system GDSS. The arrow at the bottom indicates how the configuration has expanded over time. More recently, artificial intelligence AI capability has been added, along with an ability to engage in online analytical programming OLAP.

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It represents some object or activity, which is called an entity. There are four basic types of norton Physical model is a three-dimensional representation of its entity.

WHAT IS A DSS ? Gorry and Scott-Morton’s: – ppt download

Narrative model, mortln describes its entity with spoken or written words. Graphic model represents its entity with an abstraction of lines, symbols, or shapes Figure Economic order quantity EOQ is the optimum quantity of replenishment stock to order from a supplier.

Mathematical model is any mathematical formula or equation. Once a simple model is understood, it can gradually be made more complex so as to more accurately represent its entity. All four types of models can communicate information quickly and accurately. A morto model can be classified in terms of three dimensions: Dynamic model includes time as a variable; it represents the behavior of the entity over time.

Probabilistic model includes probabilities.

WHAT IS A DSS ? Gorry and Scott-Morton’s:

Otherwise, it is a deterministic model. Probability is the chance that something will happen. Optimizing model is one that selects adn best solution among the alternatives. Suboptimizing model satisficing model does not identify the decisions that will produce the best outcome but leaves that task to the manager. For example, if you are simulating an inventory system, as shown in Figure Models can be designed so that the scenario data elements are variables, thus enabling different values to be assigned.

The input values the manager enters to gauge their impact on the entity are known as decision variables. Each time the model is run, only one decision variable should be changed, so its influence can be seen. This way, the problem solver systematically discovers the combination of decisions leading to a desirable solution. This process continues until all four quarters have been simulated. At this point the screen has the appearance shown in Figure The operating statement in Figure The speed of the simulation process enables the consideration of a larger number of alternatives.

Models provide a predictive power – a look into the future – that no other information-producing method offers. Models are less expensive than the trial-and-error method. The difficulty of modeling a business system will produce a model that does not capture all of the influences on the forry. Figure shows an operating budget in column form. The columns are for: A spreadsheet is especially well-suited for use as a dynamic model.

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AI is being applied in business in knowledge-based systems, which use human knowledge to solve problems. The most popular type of knowledge-based system are expert systems, which are computer programs that try to represent the knowledge of human experts in the form of heuristics.

These heuristics allow an expert system to consult on how to solve a problem: Heuristic is a rule of thumb or a rule of good guessing. Consultation is the act of using an expert system. Knowledge engineer has special expertise in artificial intelligence; adept in obtaining knowledge from the expert. Intelligent agents are used to perform repetitive computer-related tasks; i. Problem domain is used to describe the problem area. A condition that may or may not be true, and An action to be taken when the condition is true.

Inference engine is the portion of the expert system that performs reasoning by using the contents of the knowledge base in a particular sequence. Goal variable is assigning a value to the problem solution. Decision tree is a network-like structure that enables the user to progress from the root through the network of branches by answering questions relating to the problem.

Groupware the software used in these settings. Improved communications make possible improved decisions. Asynchronous exchange when members meet at different times. Decision room is the setting for small groups of people meeting face-to-face. Facilitator is the person whose chief task is to keep the discussion on track.

Legislative session when the group is too large for a decision room. Imposes certain constraints on communications such as equal participation by each member is removed or less time is available. Computer-mediated conference several virtual office applications permit communication between large groups with geographically dispersed members. My presentations Profile Feedback Log out.

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