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- W1974080888 abstract "Uncapacitated Facility Location Problem (UFLP) is a fundamental optimization problem about the selection of locations where some facilities in which the same service is supplied are placed. Since it is shown that UFLP is NP-hard, it is thought that there exists no hope in finding a polynomial time algorithm through which an optimal solution is always obtained. In this paper, we propose a genetic algorithm for solving UFLP. In UFLP, according to the ratio for the cost for facilities placement and the cost for which the users use the facility, the number of facility placement locations can be expected, roughly. Therefore, the partial solution space that seems there is a good solution can be expected to some extent based on the classification index. By using the mutation with the operation which searches the partial solution space where it can be expected that there is a good solution, the proposed method can search the whole space of solutions efficiently. The effectiveness is shown by a numerical experiment where our method is compared with existing methods." @default.
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- W1974080888 date "2008-01-01" @default.
- W1974080888 modified "2023-09-25" @default.
- W1974080888 title "A Proposal of a Genetic Algorithm for Uncapacitated Facility Location Problem" @default.
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- W1974080888 doi "https://doi.org/10.1541/ieejeiss.128.628" @default.
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