Technician routing and scheduling problem (Pillac et al.)
Technician routing and scheduling instances from Pillac, Gueret and Medaglia, with node coordinates and the skills a technician must cover, distributed through VRP-REP.
V. Pillac, C. Gueret, A. L. Medaglia (2013). A parallel matheuristic for the technician routing and scheduling problem. Optimization Letters 7(7), 1525-1535. doi:10.1007/s11590-012-0567-4