Visualizing trees with a hyperbolic projection in one dimension. - Alexander Kolliopoulos (J. Comput. Sci. Coll., 2003)

Segmentation-Based 3D Artistic Rendering. - Alexander Kolliopoulos; Jack M. Wang; Aaron Hertzmann (Rendering Techniques, 2006)

Lurch!: Interactive rendering pipeline automation. - Alexander Kolliopoulos (SIGGRAPH Talks, 2013)