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Vehicle Routing for Maximizing Interlibrary-Loan Requests under Time Constraints

Journal of the Korean Society for Library and Information Science / Journal of the Korean Society for Library and Information Science, (P)1225-598X; (E)2982-6292
2017, v.51 no.2, pp.237-253
https://doi.org/10.4275/KSLIS.2017.51.2.237



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Abstract

There are many systematic approaches to manage Interlibrary loan (ILL) efficiently. In this paper, we propose an operating method reducing user-waiting in ILL. Users are usually informed to wait around two to three days in a regional ILL service. The reason of the waiting is that there is inefficiency in running material-delivery vehicles. A mixed integer programming is employed to resolve this issue. It provides an optimal vehicle-route maximizing material-deliveries subject to time availability. We used an actual data of a regional ILL system to provide optimal vehicle routes under different time settings.

keywords
상호대차, 상호대차 배송 차량, 공공도서관, 혼합정수계획모형, 집배송차량경로, Interlibrary Loan, Interlibrary Service Delivery, Public Library, Mixed Integer Programming, Pickup and Delivery Vehicle Routing

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Journal of the Korean Society for Library and Information Science