We present a very large-scale neighborhood (VLSN) search algorithm for the capacitated facility location problem with single-source constraints. The neighborhood structures are induced by customer multi-exchanges and by facility moves. We consider both traditional single-customer...

This paper addresses the problem of estimating or updating a passenger trip matrix for transit networks from passenger courts. An extension of a model to take into account time information contained in the passenger counts is developed. Several promising optimization formulations of the...