Salah E. Elmaghraby

Works (23)

Updated: July 5th, 2023 16:03

2014 journal article

The relevance of the "alphorn of uncertainty" to the financial management of projects under uncertainty

European Journal of Operational Research, 238(1), 65–76.

By: J. Zhang & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Polynomial time algorithms for two special classes of the proportionate multiprocessor open shop

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 201(3), 720–728.

By: M. Matta* & S. Elmaghraby n

author keywords: Scheduling; Sequencing; Deterministic; Proportionate multiprocessor open shop; Polynomial time algorithms
TL;DR: Despite the enormous complexity of the MPOS problem, this work demonstrates that polynomial time algorithms exist for two special cases and defines new terms for the proportionate MPOS. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2009 journal article

elm Optimal resource allocation in stochastic activity networks via the electromagnetism approach: a platform implementation in Java

Control and Cybernetics, 38(3), 745–782.

By: A. Tereso, R. Novais, M. Araujo & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2005 article

Scheduling of a two-machine flowshop with availability constraints on the first machine

INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, Vol. 99, pp. 16–27.

By: H. Allaoui *, A. Artiba *, S. Elmaghraby n & F. Riane *

author keywords: scheduling; availability constraints; flowshop
TL;DR: This work focuses on the performance of the Johnson rule as a heuristic, establishing the conditions under which it yields the optimum, and demonstrating that in other cases its performance is bounded by 2. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2005 journal article

Sequencing precedence-related jobs on two machines to minimize the weighted completion time

INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, 100(1), 44–58.

By: G. Ramachandra n & S. Elmaghraby n

author keywords: scheduling; parallel machines; dynamic programming; genetic algorithm
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8. Decent Work and Economic Growth (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Adaptive resource allocation in multimodal activity networks

International Journal of Production Economics, 92(1), 10-.

By: A. Tereso, M. Araujo & S. ElMaghraby

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

IEPM: Focus on scheduling

European Journal of Operational Research, 161(1), 02-.

By: A. Artiba & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2004 article

On the fallacy of averages in project risk management

Elmaghraby, S. E. (2005, September 1). EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, Vol. 165, pp. 307–313.

By: S. Elmaghraby n

author keywords: project planning; resource allocation; stochastic work content
TL;DR: It is demonstrated that gross errors can be committed in cost estimates and in the bids based on them. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2003 journal article

Sequencing on two-stage hybrid flowshops with uniform machines to minimize makespan

IIE Transactions, 35(5), 467–477.

By: H. Soewandi & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Scheduling hybrid flowshops in printed circuit board assembly lines

Production and Operations Management, 11(2), 216–230.

By: Z. Jin, K. Ohno, T. Ito & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2002 article

Sequencing a hybrid two-stage flowshop with dedicated machines

Riane, F., Artiba, A., & Elmaghraby, S. E. (2002, November 20). INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, Vol. 40, pp. 4353–4380.

By: F. Riane, A. Artiba & S. Elmaghraby*

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Source: Web Of Science
Added: August 6, 2018

2001 journal article

Chance-constrained programming in activity networks: A critical evaluation

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 131(2), 440–458.

By: S. Elmaghraby n, H. Soewandi & M. Yao

author keywords: activity networks; chance-constrained programming
TL;DR: A classification scheme of stochastic programming and it is confirmed that the chance-constrained programming model for event realization in activity networks (ANs) does not solve the problem of finding a point estimate that satisfies a required confidence level, and is of little help in determining the cumulative distribution function. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2001 journal article

On computing the distribution function of the sum of independent random variables

Computers & Operations Research, 28(5), 473–483.

By: M. Agrawal & S. Elmaghraby

Source: NC State University Libraries
Added: August 6, 2018

2001 article

On the optimal release time of jobs with random processing times, with extensions to other criteria

Elmaghraby, S. E. (2001, December 1). INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, Vol. 74, pp. 103–113.

By: S. Elmaghraby n

author keywords: sequencing; one processor; stochastic durations; release time; due dated jobs
TL;DR: A dynamic programming approach that has general applicability to single and multiple processors is proposed that should alleviate the computing burden of the optimal release time of a set of n jobs en masse. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2001 journal article

Sequencing three-stage flexible flowshops with identical machines to minimize makespan

IIE TRANSACTIONS, 33(11), 985–993.

By: H. Soewandi & S. Elmaghraby n

Source: Web Of Science
Added: August 6, 2018

2001 journal article

The economic lot scheduling problem under power-of-two policy

COMPUTERS & MATHEMATICS WITH APPLICATIONS, 41(10-11), 1379–1393.

By: M. Yao* & S. Elmaghraby n

author keywords: inventory; scheduling; power-of-two policy; global optimum; search algorithm
TL;DR: The conclusions of this research lay the foundation for deriving an efficient heuristic, and also creates a benchmark for evaluating the quality of the heuristics for the conventional ELSP under PoT policy. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2000 article

On criticality and sensitivity in activity networks

Elmaghraby, S. E. (2000, December 1). EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, Vol. 127, pp. 220–238.

By: S. Elmaghraby n

author keywords: activity networks; critical activities; sensitivity analysis
TL;DR: The methodologies proposed range over the analytical, Monte Carlo sampling, and statistical sampling, in particular the use of Taguchi orthogonal arrays. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2000 journal article

Optimal start times under stochastic activity durations

International Journal of Production Economics, 64(1-3), 153–164.

By: S. Elmaghraby, A. Ferreira & L. Tavares

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

An optimal assembly mode of multi-type printed circuit boards

COMPUTERS & INDUSTRIAL ENGINEERING, 36(2), 451–471.

By: K. Ohno*, Z. Jin * & S. Elmaghraby n

author keywords: multi-type printed circuit board assembly; insertion sequencing; reel positioning; optimal assembly mode; evolution strategy; two-opt local search heuristics; set partitioning
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Source: Web Of Science
Added: August 6, 2018

1999 journal article

On the sensitivity of project variability to activity mean duration

INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, 62(3), 219–232.

By: S. Elmaghraby n, Y. Fathi n  & M. Taner  n

author keywords: activity networks; Taguchi sampling; sensitivity analysis
TL;DR: The main contribution of this paper is to study the impact of changing the mean duration of an activity on the variability of the project duration, and investigate the accuracy of Taguchi's sampling technique as a method for analyzing the network. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 journal article

The two-machine stochastic flowshop problem with arbitrary processing time distributions

IIE Transactions, 31(5), 467–477.

By: S. Elmaghraby n & K. Thoney  n

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

1998 journal article

Call admission control schemes and ATM network topological design

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 111(2), 393–404.

By: S. Lo n, B. Makrucki n, G. Bilbro n & S. Elmaghraby n

author keywords: ATM network topological design; call admission control; integer programming; mixed integer programming
TL;DR: The differences between the pair of resulting networks suggests that network topological design can be used as one of the criteria for choosing the call admission control scheme. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

1978 journal article

ECONOMIC LOT SCHEDULING PROBLEM (ELSP) - REVIEW AND EXTENSIONS

MANAGEMENT SCIENCE, 24(6), 587–598.

By: S. Elmaghraby n

Source: Web Of Science
Added: August 6, 2018

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