State of the Art
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The main task of this chapter is the presentation of the state-of-the-art for the research which will be presented in the Chaps. 4, 5, and 6. First, the term usability will be defined at the beginning of Sect. 2.1. Then, the same section presents the fundamentals of traditional usability evaluation methods and of methods for automatic usability evaluation. This will show the high efforts of the traditional evaluation methods and the advantages of the automatic usability evaluation methods. The subsequent Sect. 2.2 will introduce exiting tools for the automatic usability evaluation of interactive systems, and explains the decision for one of these tools as research tool in the frame of this book. After the introduction of related work from the human-computer interaction research community, Sect. 2.3 will introduce approaches of socio-technical research which aim at describing human-technology interaction by the acquisition of usage patterns. Thus, the three Sects. 2.1, 2.2, and 2.3 will present the state-of-the-art which is related to Chap. 5. Section 2.4 will describe existing approaches for describing interactions between human users and interactive dialogue systems. Existing approaches for the evaluation of user behaviour simulations will be provided in Sect. 2.5. Finally, in Sect. 2.6 three research questions will be derived from the previously presented related work.