Learning representations of irregular particle-detector geometry with distance-weighted graph networks Shah Rukh Qasim, Jan Kieseler, Yutaro Iiyama and Maurizio Pierini Eur. Phys. J. C, 79 7 (2019) 608 Published online: 18 July 2019 DOI: 10.1140/epjc/s10052-019-7113-9