Improving Web-based civic information access: a case study of the 50 US states. - Irina Ceaparu; Ben Shneiderman (ISTAS, 2002)

User Frustration with Technology in the Workplace. - Jonathan Lazar; Adam Jones; Katie Bessière; Irina Ceaparu; Ben Shneiderman (AMCIS, 2003)

Determining Causes and Severity of End-User Frustration. - Irina Ceaparu; Jonathan Lazar; Katie Bessière; John P. Robinson; Ben Shneiderman (Int. J. Hum. Comput. Interact., 2004)

Finding governmental statistical data on the Web: A study of categorically organized links for the FedStats topics page. - Irina Ceaparu; Ben Shneiderman (J. Assoc. Inf. Sci. Technol., 2004)