Quality of service (QoS) model for web service selection

Nowadays, likewise the functionality of a web service, Quality of Service (QoS) has become an essential feature of web service characteristic for users to select the suitable web services for a distributed application by identifying which characteristics make service more qualified to be selected. Although proposed QoS models by existing works may satisfy the required quantitative measurement of QoS attributes, clustering all generic quality attributes in a same group may have a negative impact on technical QoS attributes such as Response time. Consequently, from technical point of view, lack of a comprehensive model to evaluate web services in terms of technical and non-technical QoS attributes is an important issue on topic, affecting the accuracy of the results in general, and is addressed in this paper.