OR Insight
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TISSUE wipes away exam time tears
OR Insight - Tập 8 Số 4 - Trang 28-32 - 1995
The task of examination timetabling at universities is becoming more difficult as student numbers rise and student choice widens. Many universities are turning to computerised scheduling packages, and this article outlines various stages of the computerisation of the examination process at Swansea University. The practical issues involved in designing and implementing a system based on simulated a......
Fiddler on the Roof
OR Insight - Tập 13 - Trang 9-14 - 2000
An application of a classic one-dimensional cutting stock problem requires that large steel coils be slit into smaller customer required widths. In determining culling patterns for this problem, both the amount of trim loss and the number of slitter setups are major economic concerns. In theory, the optimal solution to this problem is a weighted function of trim loss and number of setups. In pract......
Operating margins — It's a gas!
OR Insight - Tập 4 - Trang 6-9 - 1991
This paper summarises OR's involvement in an important area of British Gas's planning process. It describes how OR developed a large simulation model to estimate the amount of gas that should be stored in tanks throughout the country to overcome supply problems. Supply problems occur when we encounter severe weather conditions, offshore supply shortfalls and errors in forecasting demand for the ne......
Evaluating sales promotions
OR Insight - Tập 1 - Trang 6-9 - 1988
This article is adapted from a paper by the authors which appeared in the Society's Journal in October 1986. The paper won the President's Medal for 1987. The Award Committee's comments were as follows: “This stimulating paper is an important advance, gives a clear and interesting account of lead and lag effects of marketing expenditure, and describes a case study in which both types of effect are......
British Rail InterCity strategic planning
OR Insight - Tập 4 - Trang 2-5 - 1991
Decisions concerning the number of new locomotives and coaches to buy are critical to InterCity's future. Operational Research was called in to help in this decision for the newly-electrified East Coast Main Line route. Developing a new approach, OR advised not only on this decision, but has now produced a computer-based decision-support tool for InterCity planners to use in determining medium-ter......
Accountants and financial modelling
OR Insight - - 1991
Over the past 20 years there has been a considerable growth in the model-building activities of accountants. Grinyer (1983) argues that “accountants were already an important category [of model-builder] by 1975”, and that “by 1982 they had become a dominant one and found in financial modelling a natural extension of their own work”. Over the past decade, the substantial attention paid to financial......
A social software strategy for knowledge management and organization culture
OR Insight - Tập 25 Số 2 - Trang 60-79 - 2012
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