Finding Similar Failures Using Callstack Similarity. - Kevin Bartz; Jack W. Stokes; John C. Platt; Ryan Kivett; David Grant; Silviu Calinoiu; Gretchen Loihle (SysML, 2008)

Characterizing the differences between pre- and post- release versions of software. - Paul Luo Li; Ryan Kivett; Zhiyuan Zhan; Sung-eok Jeon; Nachiappan Nagappan; Brendan Murphy; Amy J. Ko (ICSE, 2011)