Visualizing Social Patterns in Virtual Environments on a Local and Global Scale. - Katy Börner; Shashikant Penumarthy; Bonnie Jean DeVarco; Carol Kerney (Digital Cities, 2003)

Social diffusion patterns in three-dimensional virtual worlds. - Katy Börner; Shashikant Penumarthy (Inf. Vis., 2003)

Visualizing the VLearn3D 2002 conference in space and time. - Katy Börner; Gyeongja J. Lee; Shashikant Penumarthy; Ryan J. Jones (Visualization and Data Analysis, 2004)

Mapping the diffusion of scholarly knowledge among major U.S. research institutions. - Katy Börner; Shashikant Penumarthy; Mark R. Meiss; Weimao Ke (Scientometrics, 2006)

The Social Structure of Tagging Internet Video on del.icio.us. - John C. Paolillo; Shashikant Penumarthy (HICSS, 2007)

113 Years of Physical Review: Using Flow Maps to Show Temporal and Topical Citation Patterns. - Bruce W. Herr; Russell J. Duhon; Katy Börner; Elisha F. Hardy; Shashikant Penumarthy (IV, 2008)