Model of usability evaluation of web portals based on the fuzzy logic
Miloslav Hub, Michal Zatloukal · 2010
Abstract: This paper presents a model of usability evaluation based on fuzzy logic which results from a need to establish a common approach to deal with the usability evaluation of various kinds of systems. The model definition arises from the methodology of fuzzy usability evaluation that was presented in the previous research of the authors. As a result of a particular evaluation, usability score is obtained. The score combines various factors affecting the usability of target system. The authors demonstrate the model on the example of usability evaluation of Web portals. Paper also includes results and analysis of the case study and validation of the proposed model. Key-Words: Usability, usability evaluation, usability engineering, fuzzy logic, software engineering. 1 Introduction and previous research Usability of software becomes an important aspect of software quality [3], [7], [9], [13]. Usability can be arranged in various types of software [1] and other types of user interface, even maps [17]. While usability