ISOCOV: a new MCDM method to handle value constraints in Web service selection
Abdelkrim Abdelli, Youcef Hammal, Lynda Mokdad · 2019
The aim of the current research is to define a new MCDM method that has the ability to rank Web services when value constraints are expressed on QoS criteria. This method is called, ISOCOV (Ideal SOlution with COnstraint on Values). In presence of values constraints, the majority of existing MCDM methods proceeds either by discarding from the research space all the non satisfactory Web services, or by providing a partial integration of the requirements in the decision making process. On the contrary, ISOCOV takes into account all the aspects thus providing to the user a more accurate solution while dealing with the given constraints. The purpose is to be able to promote services that do not meet the constraints, when the cleaned research space stands empty or not representative enough. A case study using a real dataset is considered to highlight the functioning and the accuracy of our method comparatively to other similar MCDM approaches.