Capítulo X. Sistemas de Información Gerencial, James O´Brien. Por el Profesor presentación Powerpoint
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Capítulo X. Sistemas de Información Gerencial, James O´Brien. Por el Profesor presentación Powerpoint
- 1. Sistemas de Apoyo a la Toma de Decisiones Capítulo 10 McGraw-Hill/Irwin Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved.
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- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Structured (operational) Procedures to follow when decision is needed can be specified in advance Unstructured (strategic) It is not possible to specify in advance most of the decision procedures to follow Semi-structured (tactical) Decision procedures can be pre-specified, but not enough to lead to the correct decision Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Consider some of the typical applications of MBA: • Cross Selling. Offer the associated items when customer buys any items from your store. • Product Placement. Items that are associated (such as bread and butter, tissues and cold medicine, potato chips and beer) can be put near each other. If the customers see them, it has higher probability that they will purchase them together. • Affinity Promotion. Design the promotional events based on associated products. • Survey Analysis. The fact that both independent and dependent variables of market basket analysis are nominal (categorical) data type makes MBA very useful to analyze questionnaire data. • Fraud Detection. Based on credit card usage data, we may be able to detect certain purchase behaviors that can be associated with fraud. • Customer Behavior. Associating purchase with demographic, and socio economic data (such as age, gender, and preference) may produce very useful results for marketing. Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Combines many features of MIS and DSS Provide top executives with immediate and easy access to information Identify factors that are critical to accomplishing strategic objectives (critical success factors) So popular that it has been expanded to managers, analysis, and other knowledge workers Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Benefits of Expert Systems Captures the expertise of an expert or group of experts in a computer-based information system Faster and more consistent than an expert Can contain knowledge of multiple experts Does not get tired or distracted Cannot be overworked or stressed Helps preserve and reproduce the knowledge of human experts The major limitations of expert systems Limited focus Inability to learn Maintenance problems Development cost Can only solve specific types of problems in a limited domain of knowledge Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- A knowledge engineer Works with experts to capture the knowledge (facts and rules of thumb) they possess Builds the knowledge base, and if necessary, the rest of the expert system Performs a role similar to that of systems analysts in conventional information systems development Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Computing systems modeled after the brain’s mesh-like network of interconnected processing elements (neurons) Interconnected processors operate in parallel and interact with each other Allows the network to learn from the data it processes Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Current applications of virtual reality Computer-aided design Medical diagnostics and treatment Scientific experimentation Flight simulation Product demonstrations Employee training Entertainment Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- Software surrogate for an end user or a process that fulfills a stated need or activity Uses built-in and learned knowledge base to make decisions and accomplish tasks in a way that fulfills the intentions of a user Also called software robots or bots Interface Tutors – observe user computer operations, correct user mistakes, provide hints/advice on efficient software use Presentation Agent s – show information in a variety of forms/media based on user preferences Network Navigation Agents – discover paths to information, provide ways to view it based on user preferences Role-Playing – play what-if games and other roles to help users understand information and make better decisions Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-
- User Interface Agents Interface Tutors – observe user computer operations, correct user mistakes, provide hints/advice on efficient software use Presentation Agents – show information in a variety of forms/media based on user preferences Network Navigation Agents – discover paths to information, provide ways to view it based on user preferences Role-Playing – play what-if games and other roles to help users understand information and make better decisions Information Management Agents Search Agents – help users find files and databases, search for information, and suggest and find new types of information products, media, resources Information Brokers – provide commercial services to discover and develop information resources that fit business or personal needs Information Filters – Receive, find, filter, discard, save, forward, and notify users about products received or desired, including e-mail, voice mail, and other information media Multimedia Lecture Support Package to Accompany Basic Marketing Lecture Script 6-