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Using the notion of power and the technology acceptance model as theoretical lenses, this study investigates the feasibility of developing gerontechnologies that are easy to use as well as useful in enhancing the sense of power among older adults, and in fostering greater intentions to use and recommend these technologies. Through the method of experimentation and multiple rigorous statistical analyses,...
Since the 2010 version, the Solver Add-in of Microsoft Excel comprises the so-called Evolutionary Solver. The application of this Solver to a combinatorial optimization problem requires a spreadsheet which determines the objective function value corresponding to given values for the decision variables. This paper refers to the resource-constrained project-scheduling problem; we study how to implement...
Rice is the staple food consumed by approximately 95% of the Indonesian population. Thus, rice becomes one of the strategic issues and all decisions regarding rice impact the population. The Indonesian government targets to achieve food security and rice-sufficiency, which are attainable considering the fact that the total annual domestic rice production has exceeded the total national consumption...
This paper considers a two-stage hybrid flowshop problem where there are a single batch processing machine and a single machine. Each job with release time is assigned into some batches. The waiting time between the batch processing machine and the single machine is limited to make the problem more practical. A MIP model is developed to describe the proposed problem. Since the problem is NP-hard,...
Disassembly planning aims to determine the quantity of end-of-life products in order to satisfy the demand of leaf items over a given planning horizon while minimizing several costs. Disassembly planning problem with two levels, multi-products type and capacity constraints is treated by developing a linear programming model. The objective of this model is to minimize the sum of the fixed costs of...
The process of integration of management systems is being unfolded by a great deal of companies nowadays. A crucial feature of it relates with the audit function and the integrated perceptions of the auditors. This issue is of utmost importance if one takes into account the remarkable effort developed by ISO in the last revisions (2015) of the ISO 9001 and ISO 14001 standards aiming at the standards...
A flexible capacity expansion strategy is important for engineering systems since it enables decision-makers to adjust the capacity of systems as uncertainty unfolds. In a flexible capacity expansion problem, how to generate the optimal decision rule to determine when and how to expand the capacity is a challenging task. In this paper, a parameter optimization framework is proposed to automatically...
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