Don M. Warner

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A collection of queueing network models with distinguishable tasks in the system is developed and solved to represent various aspects of a multiprogrammed computer system. The basic model is a closed queueing network which models a system with a multilevel memory hierarchy with distinguishable tasks in the system. Equations which describe the behavior of(More)
The effectiveness of admissions scheduling systems for optimal resource allocation in hospitals is directly dependent on the ability to estimate patient discharges accurately. Efforts to estimate discharges to date include two general methods: estimating from historical data, and physician-supplied estimates. This paper takes the position that there are(More)
An extension of the central server model as developed by Buzen is analytically developed. This model concerns itself with a computer system that is not heavily loaded. A simulation model is then developed for this lightly loaded computer system, and is used to validate the analytical results of this extended central server model. The analytical calculations(More)
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