Country: South Africa

Found 199 papers in total
Is operations research really research?
Is operations research really research?
2006,
This paper takes a philosophical look at the Research in Operations Research. First,...
Threat evaluation and weapon assignment decision support: A review of the state of the art
Threat evaluation and weapon assignment decision support: A review of the state of the art
2007,
In a military environment an operator is typically required to evaluate the tactical...
Selection and scheduling of jobs with time-dependent duration
Selection and scheduling of jobs with time-dependent duration
2007,
In this paper two mathematical programming models, both with multiple objective...
A realised volatility measurement using quadratic variation and dealing with microstructure effects
A realised volatility measurement using quadratic variation and dealing with microstructure effects
2006,
A volatility measurement that overcomes the respective problems encountered when...
A procurement decision model for a video rental store – A case study
A procurement decision model for a video rental store – A case study
2007,
A procurement decision model for a video rental store is presented in this paper. The...
Stochastic inventory management at a service facility with a set of reorder levels
Stochastic inventory management at a service facility with a set of reorder levels
2007,
We consider a continuous review perishable inventory system at a service facility with...
Combining morphological analysis and Bayesian networks for strategic decision support
Combining morphological analysis and Bayesian networks for strategic decision support
2007,
Morphological analysis (MA) and Bayesian networks (BN) are two closely related...
A fixed recourse integer programming approach towards a scheduling problem with random data: A case study
A fixed recourse integer programming approach towards a scheduling problem with random data: A case study
2005,
Regardless of the success that linear programming and integer linear programming has...
Confidence limits for expected waiting time of two queueing models
Confidence limits for expected waiting time of two queueing models
2004,
A maximum likelihood estimator (MLE), a consistent asymptotically normal (CAN)...
Omitting correlated variables
Omitting correlated variables
2002,
Data collected on the physical, biological or man-made world are often highly...
An experiment on selecting most informative variables in socio-economic data
An experiment on selecting most informative variables in socio-economic data
2003,
In many studies where data are collected on several variables, there is a motivation...
Extending a scatterplot for displaying group structure in multivariate data: A case study
Extending a scatterplot for displaying group structure in multivariate data: A case study
2005,
The power of canonical variate analysis (CVA) biplots, when regarded as extensions of...
A filter bank for rotationally invariant image recognition
A filter bank for rotationally invariant image recognition
2005,
We present new rotation moment invariants based on multiresolution filter bank...
Methods of OR: A new graduate course
Methods of OR: A new graduate course
2003,
A new course entitled “Methods of Operations Research” (OR) was introduced...
Tips, tricks, and techniques in practicing OR – A different twist!
Tips, tricks, and techniques in practicing OR – A different twist!
2001,
This paper is a personal account of marketing and selling Operations Research (OR) in...
Operations Research: An indispensable toolkit for the logistician
Operations Research: An indispensable toolkit for the logistician
2005,
This paper traces the origin of the word logistics, outlines its conceptual evolution,...
Logistical planning with the help of simulation modeling: A case study
Logistical planning with the help of simulation modeling: A case study
2002,
This article gives an overview of the combined use of object-oriented programming and...
A model for scheduling projects under the condition of inflation and under penalty and reward arrangements
A model for scheduling projects under the condition of inflation and under penalty and reward arrangements
2001,
A zero–one mixed integer linear programming model is developed for the...
On some optimal switching strategies
On some optimal switching strategies
2001,
Systems of components with increasing failure rates are considered. Switching from an...
Distribution-free approach to the evaluation of reliability of complex systems
Distribution-free approach to the evaluation of reliability of complex systems
2002,
In the industrial community it is well known that the failure rate of the manufactured...
A Sokhotski–Plemelj problem related to a renewable T-cell
A Sokhotski–Plemelj problem related to a renewable T-cell
2005,
We analyse the long-run availability of a technical device subjected to inspections...
Relationship between the modified due date rule and the heuristic of Wilkerson and Irwin
Relationship between the modified due date rule and the heuristic of Wilkerson and Irwin
2001,
In this paper, we consider the problem of scheduling N jobs on a single machine to...
A mathematical approach to increasing the long-term wealth of an agricultural enterprise
A mathematical approach to increasing the long-term wealth of an agricultural enterprise
2003,
This study focuses on developing an agricultural investment model based upon proven...
A bio-economic application to the Cape Rock Lobster resource using a delay difference modeling approach
A bio-economic application to the Cape Rock Lobster resource using a delay difference modeling approach
2004,
In many species, like the Cape Rock Lobster ( Jasus lalandii ), the life cycles of...
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