Facility location-allocation models are used in a widespread variety of applications to determine the number of required facility along with the relevant allocation process. In this paper, a new mathematical model for the capacitated multi-facility location-allocation problem with probabilistic customer's locations and fuzzy customer’s demands under the Hurwicz criterion is proposed. Thi...

background: occupational stress takes place in relationship between person and environment. it’s created by three major factors including characteristics personal, working conditions, relationships between them. stress is caused by psychological imbalances and has different outcomes on health. this study examined the relationship between job stress and job satisfaction in health care staff. met...

Nowadays, data centers suffer from resource limitations in both the limited bandwidth resources on the links and the computing capability on the servers, which triggers a variety of resource management problems. In this paper, we discuss one classic resource allocation problem: task allocation in data centers. That is, given a set of tasks with different makespans, how to schedule these tasks i...