1. Cyclic deadlock prediction and avoidance for zone-controlled AGV system
2. J. Santos, P. Costa, L. F. Rocha, A. P. Moreira, and G. Veiga, “Time enhanced A: Towards the development of a new approach for Multi-Robot Coordination,” in Proceedings of the IEEE International Conference on Industrial Technology (2015), pp. 3314–3319.
3. J. Santos and P. Costa, “Validation of a Time Based Routing Algorithm using a Realistic Automatic Warehouse Scenario,” (2015).
4. D. Silver, “Cooperative Pathfinding,” in Proceedings of the 1st Artificial Intelligence and Interactive Digital Entertainment Conference (2005), pp. 117–122.
5. W. Wang and W. B. Goh, “Multi-robot path planning with the spatio-temporal A* algorithm and its variants,” in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2011), pp. 313–329.