Guilherme Dias da Fonseca, Vinícius Gusmão Pereira de Sá, Celina Miraglia Herrera de Figueiredo. Shifting Coresets: Obtaining Linear-Time Approximations for Unit Disk Graphs and Other Geometric Intersection Graphs. Int. J. Comput. Geometry Appl., 27(4):255-276, 2017. [doi]
Abstract is missing.