risk management is one of the nine project management processes, which provides positive results and minimizes the probability and consequences of adverse effects in the project.  in this article a zero-one linear programming model with multiple objectives is used to characterize the potential risks. the proposed model has two main objectives. the first objective is the minimization of the expe...

In applications ranging from stock trading to space mission operations, it is important to monitor the correlations among multiple streaming time series eeciently in order to make timely decisions. The challenge is that both the number of streaming time series and the number of interested correlations can be large. The straightforward way of performing the evaluation by computing the correlatio...

This article presents a perishable (s; S) inventory system under continuous review at a service facility in which a waiting hall for customers is of nite size M. The arrival instants of customers to the service station constitutes a Poisson process. The life time of each items is assumed to be exponential. All arriving customers demand the rst "essential" service, whereas only some of them dema...