background: vascular access (va) is an important aspect for blood circulatory in hemodialysis (hd). arteriovenous fistula (avf) is a suitable procedure to gain va. maturation of the avf is a status of avf, which can be cannulated for hd. this study aimed to discover the parameters that effectively reduce the duration between va and start of hd, which symbolizes the maturation time (mt).   metho...

one of the main problems in dynamic customer segmentation is finding the dominant patterns of customer movements between different segments via time. accordingly, we concentrate on the customer dynamics in this paper and try to find different groups of customers in transmissions between segments via time. the dominant characteristics of these groups are also investigated. to obtain this objecti...