MADden: query-driven statistical text analytics. - Christan Earl Grant; Joir-dan Gumbs; Kun Li; Daisy Zhe Wang; George Chitouras (CIKM, 2012)

GPText: Greenplum parallel statistical text analysis framework. - Kun Li; Christan Grant; Daisy Zhe Wang; Sunny Khatri; George Chitouras (DanaC@SIGMOD, 2013)