Approximate volumes of tremendous constructive solid geometry models Fall School on ShApes, Geometry and Algebra (SAGA), Kolympari, Greece, October 2010

Degree-driven algorithm design for computing the Voronoi diagram Fall Workshop on Computational Geometry, Albany NY, 2008

Lower Degree Predicates for the Additively Weighted Voronoi Diagram MAA-Mathfest, Madison, Wi, 2008

Streaming Processing of Spatial Data UNC-Chapel Hill, CS Dept Candidates Day 2008