42 allow people to make predictions about future

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42. _______ allow people to make predictions about future events and to make sense of the present. Ans: Patterns 43. What kind of pattern depicts things and the relationships between them? Ans: Object pattern 44. What is a script pattern? Ans: A sequence of events that typically occur in combination with each other. 45. What does each letter of the acronym REA represent? Ans: R = resources, E = events, A = agents 46. What are resources in the REA enterprise ontology? Name two common resources. Ans: Resources are things of economic value (with or without physical substance) that are provided or consumed by an enterprise's activities and operations. Examples include cash, raw materials, equipment, finished goods, labor, and others. Dunn/Cherrington/Hollander, Enterprise Information Systems: A Pattern Based Approach, 3e 9
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Chapter 2, Representation and Patterns: An Introduction to the REA Enterprise Ontology 47. What are events in the REA enterprise ontology? Name two common events. Ans: Events are activities within an enterprise that need to be planned, controlled, executed, and evaluated. Examples include sales, acquisitions, cash receipts, cash disbursements, and others. 48. What are agents in the REA enterprise ontology? Name two common agents. Ans: Agents are individuals, departments, divisions or organizations that participate in the control and execution of events. Examples include employees, vendors, customers, investors, creditors, and others. 49. What symbol is used to represent resource exchanges on a value system level REA model? Ans: arrows 50. What pattern is used for modeling the task level in the REA enterprise ontology? Ans: No pattern has yet been identified for the task level. Essay Questions 51. Explain how an object and/or script pattern helped you in the past to understand something in your life. In your essay, be sure to describe the pattern you applied, the situation in which you applied it, and how the pattern was helpful. Ans: Answers will vary based on students' personal experiences but should include the use of the pattern to apply past experiences to new situations and allowed them to make predictions as to what to expect in the new situation. 52. Why is context important in determining what script is evoked in a person's mind? Give an example to support your conclusion. Ans: Examples will vary but essay should communicate that people typically have variations of the same script stored in memory and the context is necessary to determine which version of the script is triggered to help understand the situation. Example given in text was for traditional romantic script versus romantic tragedy. Dunn/Cherrington/Hollander, Enterprise Information Systems: A Pattern Based Approach, 3e 10
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Chapter 2, Representation and Patterns: An Introduction to the REA Enterprise Ontology 53. Explain the purpose of each of the four levels of the REA enterprise ontology.
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