Typograph: Multiscale spatial exploration of text documents. - Alex Endert; Russ Burtner; Nick Cramer; Ralph Perko; Shawn D. Hampton; Kristin A. Cook (IEEE BigData, 2013)

TexTonic: Interactive visualization for exploration and discovery of very large text collections. - Celeste Lyn Paul; Jessica Chang; Alex Endert; Nick Cramer; David Gillen; Shawn D. Hampton; Russ Burtner; Ralph Perko; Kristin A. Cook (Inf. Vis., 2019)