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I-ACS: An Improved Ant Colony System to Solve the Time-Dependent Orienteering Problem

Authors :

Zahra Bakhshandeh¹ Morteza Keshtkaran²

1- Shiraz University, Iran 2- Shiraz university

Keywords :

Ant Colony System, time-dependent Orienteering Problem, Orienteering Problem

Abstract :

The Time-Dependent Orienteering Problem (TDOP) is the Orienteering Problem generalization, where the travel time between the vertices varies according to the departure time at the vertives. Previously an Ant Colony System with some Local Search algorithms has been introduced to solve the TDOP. In this paper an improved version of this algorithm is proposed. The obtained results show that our improved version outperorms the previous algorithm for the same execution time.

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