An Improved Ant Colony Algorithm for the Vehicle Routing Problem in Time-Dependent Networks.

Yongqiang Liu Qing Chang Huagang Xiong An Improved Ant Colony Algorithm for the Vehicle Routing Problem in Time-Dependent Networks. 1506-1510 2011 94-B IEICE Transactions 5 http://search.ieice.org/bin/summary.php?id=e94-b_5_1506 db/journals/ieicet/ieicet94b.html#LiuCX11