1) Describe in your own terms the difference between the extend and include relationships. 2) Answer question 6.B from the Case Study Work, Exercises and Projects in the textbook. 3) submit a partial requirements model for the AIMS project. The requirements model must include use case diagrams for the entire AIM system. This includes all three sub-systems: bookings, fleet management and employee management. You must also provide use case descriptions of at least four significant use cases that you identified. You should try to pick these four use cases from the sub-system you are planning on designing for the rest of the module (e.g., bookings, employee management or fleet management). You want an interesting sub-system to work on, but also one for which you can develop a complete model by the end of this module. Your requirements model must be submitted as a single, well-structured document that contains all of your diagrams and use case descriptions, plus any necessary linking descriptive text. Any assumptions you make during your model development must be documented in an appropriate section or appendix to this document. The submitted document must be in MS Word or RTF format. You must also submit the .ASTA file containing your use case model. You should have at least three use case packages reflecting the three sub-systems. Depending on the complexity of these diagrams, you may wish to split them up into sub-packages to make them more readable. You should try to make use of extends, include and generalisation relationships in your use case diagram, where they would make sense. (Do not force awkward relationships just to have these in your diagram.) Your use case descriptions may be brief informal descriptions, as used in the textbook, or you may use the typical and alternative sequence of events sections of the use case templates for the descriptions. Students wanting an above-average learning experience would be expected to employ more formal use case descriptions. As an extension to your requirements model, you may also produce some of the following requirements artefacts (this is for students wishing to excel in this module). It is not expected that you will produce all of these artefacts. “Excel in this module” relates both to your learning outcomes and your grade expectations. Excelling means you will learn more from this module and your demonstration of your advanced learning outcomes may lead to higher grades. Demonstration of excellence requires that you produce high-quality artefacts; quality is much more important than quantity in regards to grades. (Too much poor-quality material will achieve a lower mark than the minimum amount of material at a reasonable level of quality.) You may produce activity diagrams, where they help to demonstrate how things happen within a system. Possible uses for activity diagrams are to describe an overall workflow and how the system or its use cases fit into that workflow; alternatively, activity diagrams can be used to graphically model the steps and interactions inside a use case, including the typical and alternative sequence of events in one model. You may also produce a document that lists important non-functional requirements for your system. An important part of successfully completing a project is the management of tasks and deliverables
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