Hajem A. Daham

Hajem A. Daham
Al-Muthanna University

Ph.D. in Operational Research

About

7
Publications
10,019
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73
Citations

Publications

Publications (7)
Article
Healthcare systems efficiency is a ratio of service delivery system outputs to inputs to achieve optimal strategy for decision makers. In this paper, we investigated the efficiency of Eastern Mediterranean health observatory systems. For this purpose, a data envelopment analysis model formulated to evaluate the efficiency of healthcare systems resp...
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Outliers in multivariate data is an intractable problem. In statistics, the Minimum Volume Ellipsoid (MVE) estimator is an essential tool in outlier detection and robust regression. Given a set of points \(C=\{x_{1}, x_{2},..., x_{m}\} \subseteq \,\, R^{n}\). If it required only that at least k of m points, \(k < m\) be enclosed in the minimum volu...
Article
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In reality, the flipped classroom has gained popularity as a modern way of structuring teaching, where lectures move from in-class procedures to digitally-based assignments, freeing up the debate, and practice exercises class time. Therefore, it is essential to implement and analyze a way of teaching that will improve student performance. The paper...
Article
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Inland transportation of containers contributes significantly to the total cost of container intermodal transportation. For this reason, it has received a lot of attention in the last few decades. While there are many reports of attempts to solve the problem out there, the variants considered are all simpler than the form addressed in this paper. H...
Article
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A significant portion of the total cost of the intermodal transportation is generated from the inland transportation of containers. In this paper, we design a mixed integer linear programming (MILP) model for combining orders in the inland, haulage transportation of containers. The pickup and delivery process of both 20 and 40 foot containers from...
Article
Full-text available
The inland transportation takes a significant portion of the total cost that arises from intermodal transportation. In addition, there are many parties (shipping lines, haulage companies, customers) who share this operation as well as many restrictions that increase the complexity of this problem and make it NP-hard. Therefore, it is important to c...

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Question (1)
Question
What is the difference between logistics and transportation ?

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