This paper aims to contribute to the Voice User Interface Systems area by establishing directions to be used during the Requirements Engineering phase of the development of this type of system. The process of Requirements Engineering proposed here takes into account specific characteristics of voice user interface, and is based on concepts deriving from the Software Engineering area, namely the elicitation, specification, and evaluation phases. In order to illustrate the process, a case study is discussed and presented, as well as the conclusions obtained during the development of the research.
Requirement Engineering Contributions to Voice User Interface
In the current trend of applications going more and more ubiquitous, it is necessary to determine some characteristics, requirements and properties that must be assured in order that the application provides quality service to its users. This chapter describes a study on the evaluation of Voice User Interface (VUI) in Ubiquitous Applications and discusses some of issues which may impact the evaluation process when using the voice as a natural way of interacting with computers. The authors present a set of guidelines and usability principles that should be considered when developing VUIs for Ubiquitous Applications. Finally, they present the results of a case study which was performed in order to test and exemplify the concepts presented here.
This paper aims at contributing to the requirements engineering of virtual environments. Requirements engineering is characterized by a process composed of the phases of elicitation, specification, and evaluation, based on concepts from the software engineering area and on experience obtained through the development of virtual environments. The requirements engineering process is described and exemplified and the main conclusions are pointed out.
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