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- W2141755176 abstract "This article addresses the problem of designing routes of minimum cost for a capacitated vehicle moving a commodity between a set of customers, allowing two characteristics uncommon in the pickup-and-delivery literature. One characteristic is that a customer may be visited several times. The other characteristic is that a customer may be used as intermediate location to temporarily collect and deliver product. The article describes a matheuristic algorithm that iteratively applies a constructive procedure and a refinement procedure. The constructive procedure represents each customer by a set of nodes each one associated with a potential visit|, decomposes each customer demand into partial demands associated with its nodes, and solves a one-commodity pickup-and-delivery Travelling Salesman Problem with a variable neighbourhood search. The refinement procedure is a branch-and-cut algorithm to optimize some pieces of a given solution. Exhaustive computational results on benchmark instances demonstrate the good performance of the algorithm when solving instances with up to 500 customers." @default.
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- W2141755176 date "2005-09-01" @default.
- W2141755176 modified "2023-10-14" @default.
- W2141755176 title "International neonatal nursing and health care" @default.
- W2141755176 doi "https://doi.org/10.1016/j.jnn.2005.07.003" @default.
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