Larson, Richard C. - In: Management Science 37 (1991) 8, pp. 1062-1062
A simple modification of one equation in Larson (1990) reduces the computational complexity of the algorithm for the Queue Inference Engine (QIE) from O(N<sup>5</sup>) to O(N<sup>3</sup>), where N is the number of customers queued during a congestion period.