1 Introduction

Tasos Dagiuklas1, Luigi Atzori2, Chang Wen Chen3 and Periklis  Chatzimisios4

1Hellenic Open University, Greece

2University of Cagliari, Italy

3State University of New York at Buffalo, USA

4Alexander Technological Educational Institute, Thessaloniki, Greece

During recent years, Quality of Experience (QoE) has established itself as a topic in its own right for both industrial and academic research. With its focus on the end-user in terms of acceptability, delight, and performance, it is about to take over the role of Quality of Service (QoS) as the key paradigm for provisioning and managing services and networks.

According to Wikipedia, “Quality in business, engineering and manufacturing has a pragmatic interpretation as the non-inferiority or superiority of something; it is also defined as fitness for purpose. Quality is a perceptual, conditional, and somewhat subjective attribute and may be understood differently by different people. Consumers may focus on the specification quality of a product/service, or how it compares to competitors in the marketplace.” Quality is a term that has been defined since ancient times. In philosophy, quality (from the Latin qualitas) is an attribute or property. The Ancient Greek philosopher Aristotle analyzed qualities in his logical work Categories, where all objects of human comprehension are classified into ten categories. Quality is one of these categories.

The term “quality” appears in various standardization fora. As an ...

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