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This paper designs a mixed algorithm called PSO_ACS to solve the vehicle routing problem with simultaneous pick-up and delivery. The ACS and PSO are combined by defining information heuristic factor and expectation heuristic factor as the functions of the particle's positions, and the PSO algorithm is adopted to improve the heuristics parameters self-adaptively. This algorithm improves the convergent...
The volume of path data of moving items collected by RFID readers is massive and hard to be searched in the modern logistic management system. Using path code (denote as pid in this paper) to replace the path data can not only compress the volume of data, but also decrease the storage space greatly, and make the path searching more easily. Base on pid, mining frequency pid instead of mining frequency...
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