Time Tree: Exploring Time Changing Hierarchies. - Stuart K. Card; Bongwon Suh; Bryan A. Pendleton; Bryan Heer; John W. Bodnar (IEEE VAST, 2006)

Entity-based collaboration tools for intelligence analysis. - Eric A. Bier; Stuart K. Card; John W. Bodnar (IEEE VAST, 2008)

Principles and Tools for Collaborative Entity-Based Intelligence Analysis. - Eric A. Bier; Stuart K. Card; John W. Bodnar (IEEE Trans. Vis. Comput. Graph., 2010)