Chianti: a tool for change impact analysis of java programs. - Xiaoxia Ren; Fenil Shah; Frank Tip; Barbara G. Ryder; Ophelia C. Chesley (OOPSLA, 2004)

Crisp: A Debugging Tool for Java Programs. - Ophelia C. Chesley; Xiaoxia Ren; Barbara G. Ryder (ICSM, 2005)

Identifying Failure Causes in Java Programs: An Application of Change Impact Analysis. - Xiaoxia Ren; Ophelia C. Chesley; Barbara G. Ryder (IEEE Trans. Software Eng., 2006)

Crisp-A Fault Localization Tool for Java Programs. - Ophelia C. Chesley; Xiaoxia Ren; Barbara G. Ryder; Frank Tip (ICSE, 2007)