Theory of linear and integer programming
Theory of linear and integer programming
Integrating local search and network flow to solve the inventory routing problem
Eighteenth national conference on Artificial intelligence
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Inventorymanagement is a key problem in several industries, (car renting,storehouse space renting, etc.). It consists of managing a givenfleet of equipment in order to satisfy requests to use it. Whenrequests exceed the stock of available equipment, a decisionhas to be made, either to subcontract some requests to anotherprovider or to purchase new pieces of equipment. The main difficultylies in the fact that a subcontracted request must be subcontractedfor all the duration of the request. For example, if a subcontractedcar is rented to a given customer, this customer will keep thesubcontracted car for all the duration of the rental. In thispaper, we propose a set of benchmark problem instances, derivedfrom real-world inventory management problems.