课程名称︰系统分析与设计 课程性质︰系必修 课程教师︰卢信铭 开课学院：管理学院 开课系所︰资讯管理学系 考试日期（年月日）︰100/05/07 考试时限（分钟）：25 + 延长10分钟 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : Quiz 1 Background Information A Real Estate Inc. (AREI) sells houses. People who want to sell their houses sign a contract with AREI and provide information on their houses. This informationis kept in a database by AREI and a subset of this information is sent to the citywide multiple listing service (MLS) used by all real estate agents. AREI works with two types of potential buyers. Some buyers have interest in one specific house. In this case, AREI prints information from its database, which the real estate agent uses to help show the house to the buyer (a process beyond the scope of the system to be modeled). Other buyers seek AREI's advice in finding a house that meets their needs. In this case, the buyer completes a buyer information form that is entered into a buyer data base, and AREI real estate agents use its information to search AREI's data base and the multiple listing service for houses that meet their needs. The results of these searches are printed and used to help the real estate agent show houses to the buyer. Please do the followings: 1. Create activity diagrams for buyers and sellers. 2. List major use cases. Include the following elements for each use case: name, primary actor, brief description, and type. 3. Create an use case diagrams Provide your answers on a separate sheet. --

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