Goal and scene-based use case-driven requirement elicitation method

An acquisition method and target scene technology, which is applied in the field of use-case-driven demand acquisition based on goals and scenarios, can solve problems such as ungiven scene representations, and achieve the effect of convenient interaction

Inactive Publication Date: 2013-08-14
XIDIAN UNIV
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Problems solved by technology

[0014] The advantage of this method is that it guides users through scenarios and effectively derives requirements; t

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  • Goal and scene-based use case-driven requirement elicitation method
  • Goal and scene-based use case-driven requirement elicitation method
  • Goal and scene-based use case-driven requirement elicitation method

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with the accompanying drawings.

[0045] Such as figure 2 As shown, the present invention is a use-case-driven demand acquisition method based on goals and scenarios, and the method includes the following steps:

[0046] (1) Four-layer structure of the target scene

[0047] In the method, the target and the scene are taken as a whole of demand analysis, the target is refined through the scene, and the lower-level target is discovered from the scene, and the demand acquisition personnel and the user are gradually analyzed and excavated through the combination of the target and the scene. build system requirements.

[0048]As an optimal solution, the goals and scenarios are divided into four levels. On the one hand, the goals and scenarios are used to help identify use cases, and at the same time, the granularity of use cases is also properly controlled. This layer-based approach separates concerns d...

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Abstract

A goal and scene-based use case-driven requirement elicitation method includes the following steps: (1) goals and scenes are divided into a four-layered structure, which includes a business layer, a service layer, an interaction layer and an internal layer; (2) a user is guided to fill in a table, so that requirements are elicited; (3) the requirements elicited in step 2 are converted into a goal-scene table, which is converted into a use case table; (4) the use case table is converted into a use case diagram, and by means of the use case diagram, an activity diagram, a sequence diagram and a state diagram are generated; (5) the non-functional requirements and the functional requirements are correlated, and the non-functional requirement templates added by the user are converted into a visualized non-functional requirement diagram and a soft goal tree. The goal-scene four-layered structure is designed and realized, so that requirement analyzers can conveniently interact with the user; the requirements elicited from goals and scenes are converted into a use case model; and the conversion from the use case model to a UML (Unified Modeling Language) requirement model is provided.

Description

technical field [0001] The invention relates to the field of requirements engineering, in particular to a use case-driven requirements acquisition method based on objectives and scenarios, which is used to comprehensively and efficiently perform requirements modeling on a system. Background technique [0002] In recent years, requirements engineering has become one of the hot spots in computer software research. Requirements engineering is the beginning of a project, and its importance in the software development process is beyond doubt. Requirements acquisition is the main body of requirements engineering. Only software products that truly meet user needs can be accepted by users. Requirements acquisition requires software developers and users to form a consensus on system requirements through continuous communication. How to quickly obtain and accurately express user needs has been a problem that has plagued developers for a long time. Some surveys have shown that there a...

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Application Information

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IPC IPC(8): G06Q10/00
Inventor 段振华戴娟田聪张南王小兵刘艳艳
Owner XIDIAN UNIV
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