Chinese Otaku Culture and Alternative Public Spheres: A Study of Bullet Comments and Bilibili

In this chapter, the authors give a brief description of requirements engineering and use case analysis. They define the most important requirements and use case terms. The authors present the requirements and use case analysis methodology steps of the “Systems Modeling Toolbox” (SYSMOD). The SYSMOD methodology defines common methods and is not specific to any modeling tool. The authors cover the Storyboard Activity Modeling for Systems (SAMS) method that provides an illustrative approach to identify use case activities with stakeholders. The SAMS method is intended to integrate the use of storyboards as a means of use case analysis into model-based system development. The authors also present the Use Case 2.0 approach that works well with agile frameworks. The Use Case 2.0 concept introduces the use case slice that represents only one or some ways of the possible use case performances that can be handled as a unit from specification to implementation within an agile approach.