We define and investigate classes of statistical models for the analysis of associations between variables, some of which are qualitative and some quantitative. In the cases where only one kind of variables is present, the models are well-known models for either contingency tables or covariance...

A new algorithm for optimally balancing assembly lines is formulated and tested. Named "FABLE," it obtains proven optimal solutions for ten 1000 task lines, which each possess the computationally favorable conditions of an average of at least 6 tasks per work station and a small number of...

Previous lower bounds on workforce size have been derived from the consideration that the number of working shifts which can be provided by the workers over a given period of time must be at least as large as the number of working shifts required by the staffing demands over that period. None of...

Queueing networks have been used to model the performance of a variety of complex systems. Since exact results exist for only a limited class of networks, the decomposition methodology has been used extensively to obtain approximate results. In this paper, we consider open queueing networks with...

This note establishes a class of best possible upper bounds for the Dynamic Plant Layout Problem (DPLP) examined by Rosenblatt (Rosenblatt, M. J. 1986. The dynamics of plant layout. Management Sci. 32 76--86.) in this journal. We use the notation of that paper.

This paper contains a new and very successful application of mathematical programming in the petroleum industry. Specifically, the paper describes the design and implementation of a model and computer system to address the complex short-term planning and operational issues associated with the...

The discipline of modeling has advanced only slowly compared to disciplines concerned with analyzing and solving models once they are brought into being. Structured Modeling is an attempt to redress this imbalance. Structured Modeling aims to provide a formal mathematical framework and...

Zero inventory (ZI) and the related concepts of Just in Time and Kanban are innovative and powerful means to improve production efficiency. This paper applies these concepts to a series facility production system and, in particular, identifies which facilities will never hold inventory...