Introducing textual analysis tools for policy informatics: a case study of e-petitions. - Loni Hagen; Teresa M. Harrison; Özlem Uzuner; Tim Fake; Dan Lamanna; Christopher Kotfila (DG.O, 2015)

Understanding Citizens' Direct Policy Suggestions to the Federal Government: A Natural Language Processing and Topic Modeling Approach. - Loni Hagen; Özlem Uzuner; Christopher Kotfila; Teresa M. Harrison; Dan Lamanna (HICSS, 2015)

Examining political mobilization of online communities through e-petitioning behavior in We the People. - Catherine L. Dumas; Dan Lamanna; Teresa M. Harrison; S. S. Ravi; Christopher Kotfila; Norman Gervais; Loni Hagen; Feng Chen (Big Data Soc., 2015)