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- W3007465841 abstract "Abstract Let h be a probability measure on the nodes and arcs of a network Q, viewed either as the location of a hidden object to be found or as the continuous distribution of customers receiving packages. We wish to find a trajectory starting from a specified root, or depot O that minimizes the expected search or delivery time. We call such a trajectory optimal. When Q is a tree, we ask for which h there is an optimal trajectory that is depth-first, and we find sufficient conditions and in some cases necessary and sufficient conditions on h. A consequence of our analysis is a determination of the optimal depot location in the Delivery Man Problem, correcting an error in the literature. We concentrate mainly on the search problem, with the Delivery Man Problem arising as a special case." @default.
- W3007465841 created "2020-03-06" @default.
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- W3007465841 date "2020-09-01" @default.
- W3007465841 modified "2023-10-17" @default.
- W3007465841 title "Search and Delivery Man Problems: When are depth-first paths optimal?" @default.
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- W3007465841 doi "https://doi.org/10.1016/j.ejor.2020.02.026" @default.
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