The char_traits are not modified, only all the comparison functions and operators, so it is fully compatible with everything std::basic_string can do. Notice that this means that it retains case-sensitive storage. Case-insensitivity is only useful for comparisons. Oh yeah, before I forget, ...
Since the objective function of our sgUPCMed algorithm is based on the validity indices PC and PE as in the Unsupervised Possibilistic C-Means (UPCM), the exponential membership functions were used to describe the degree of belonging. This is an advantage of our system, because the system ...