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- W24999744 abstract "The hub location problem seeks to find the best location for hubs and the assignment of non-hub nodes to hubs. The resulting structure is a hub-and-spoke network. In this dissertation, we study the hub location problem within the context of three different application areas. We first consider the air travel industry, where many airline companies (especially the legacy airlines) operate hub-and-spoke networks. Important considerations in designing such a hub-and-spoke network are the cost of establishing the hubs, the cost of transporting passengers through the network, and the operating costs and maximum flying ranges of the different aircraft types in the fleet. We introduce the hub covering flow problem, which accounts for all these design considerations. We next look at time-definite delivery services in the small package delivery industry, where a customer’s package is guaranteed to be delivered within a certain time-window. With possible delays along the transportation route, a package may not be delivered on time. We introduce the stochastic p-hub center problem, which seeks to design a network where the longest origin-destination path in the network is minimized. The solution provides an upper bound on the delivery times, which can be used to design time-constrained service offerings, or to ascertain if current service guarantees are feasible. A service-level constraint is included into the model to ensure a high likelihood of on-time delivery. In communication networks, two important service-level considerations are robustness (the ability of the network to perform when components become unavailable) and" @default.
- W24999744 created "2016-06-24" @default.
- W24999744 creator A5028199468 @default.
- W24999744 date "2018-11-29" @default.
- W24999744 modified "2023-10-11" @default.
- W24999744 title "The hub covering flow problem and the stochastic p-hub center problem" @default.
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- W24999744 doi "https://doi.org/10.17077/etd.78u2efyq" @default.
- W24999744 hasPublicationYear "2018" @default.
- W24999744 type Work @default.