Accelerating shadow rays using volumetric occluders and modified kd-tree traversal. - Peter Djeu; Sean Keely; Warren A. Hunt (High Performance Graphics, 2009)

Parallel suffix array and least common prefix for the GPU. - Mrinal Deo; Sean Keely (PPoPP, 2013)

Reduced Precision for Hardware Ray Tracing in GPUs. - Sean Keely (High Performance Graphics, 2014)