PageRank is a widespread model for analysing the relative relevance of nodes within large graphs arising in several applications. In current paper, we present cost-effective Hessenberg-type method built upon Hessenberg process solution difficult problems. The new very competitive with other popular algorithms this field, such as Arnoldi-type methods, especially when damping factor close to $1$ ...

The passenger line planning is a process of strategic long-term decision-making problem in the field of railway passenger planning. A line is a route between starting point and destination with certain stops, which has a certain frequency of train schedule. A new solution based on decomposition algorithm has been proposed in this paper, which is defined in a master problem and two sub problems....

In this paper, we propose a new mathematical model for Capacitated Inventory Routing Problem (CIRP), which considers freshly delivery of perishable products to the customers’ location; otherwise, a reduction in products’ demand may occur. Therefore, we attempt to plan delivering process of products at the right time to avoid extra inventory causing increase in age of products. This ...

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Vision Papers Data Security – Challenges and Research Opportunities . . . . . . . . . . . . . . . 9 Elisa Bertino Research Challenges to Secure the Future Internet . . . . . . . . . . . . . . . . . . . 14 Jan Camenisch Security and Privacy of Data in a Cloud . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Sushil Jajodia The Future of Information Security Research: Cryptology and Beyond ....