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Resultaten voor 'yi ren'
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Innovations in Industrial Engineering II
This book covers a variety of topics in the field of industrial engineering, with a special focus on research and industrial applications aimed at both improving quality of processes and products and contributing to a sustainable economy.
€ 307,95 -
Dependability in Sensor, Cloud, and Big Data Systems and Applications
5th International Conference, DependSys 2019, Guangzhou, China, November 12–15, 2019, ProceedingsThis book constitutes the refereed proceedings of the 5th International Conference on Dependability in Sensor, Cloud, and Big Data Systems and Applications, DependSys, held in Guangzhou, China, in November 2019.The volume presents 39 full papers, which were carefully reviewed and selected from 112 submissions.
€ 60,50 -
Security Mechanisms in Unattended Wireless Sensor Networks
In recent years, the area of Wireless Sensor Networks (WSNs) has been extremely popular in both the research community and industries. Once a WSN is deployed, sensors may generate a large volume of data during its lifetime. These large amounts of data have to be stored somewhere for future data retrieval and data analysis. The traditional way to collect data sensed by sensor nodes is that sensor nodes forward the data to a sink (or base station) immediately once they sense them. Although many WSNs operate in such an on-site mode, there are WSN applications that do not fit into the real time data collection mode. For example, data collection in Unattended WSNs (UWSNs) relies on the periodical appearance of a mobile sink. As most existing security solutions developed for traditional WSNs rely on the presence of a trusted third party, it makes them not applicable to UWSNs directly. This book contributes to security mechanisms in UWSNs considering the fact that a trusted third party does not exist in such networks.
€ 64,90 -
Vehicle Routing and Resource Allocation under Uncertainty
In this book, we study optimization models for health care under uncertainty and resource constraints. In particular, we study two problems. The first problem is the multi-shift Vehicle Routing Problem (MSVRP) with overtime to meet around-the-clock demand. We use insertion to create the initial routes and then use tabu search to improve the routes. We show that our algorithm can find high-quality solutions for very large problems. The second problem is a multi-city resource allocation model to distribute the medical supplies in order to minimize the total number of fatalities in an infectious disease outbreak. We consider the problem with uncertainty in the initial number of cases and transmission rate, and build a two-stage stochastic programming model. To solve instances of realistic size we use a heuristic based on Benders decomposition. Finally, we use sample average approximation (SAA) to get confidence intervals on the optimal solution. We illustrate the use of the model and the solution technique in planning an emergency response to a hypothetic national smallpox outbreak. Computations show that the algorithm is efficient and can obtain near-optimal solution.
€ 49,00