The price of generality in spatial indexing. - Bogdan Simion; Daniel N. Ilha; Angela Demke Brown; Ryan Johnson 001 (BigSpatial@SIGSPATIAL, 2013)

Slingshot: A modular framework for designing data processing systems. - Bogdan Simion; Daniel N. Ilha; Suprio Ray; Leslie Barron; Angela Demke Brown; Ryan Johnson 001 (IEEE BigData, 2015)