Automatic Error Detection in the Japanese Learners' English Spoken Data. - Emi Izumi; Kiyotaka Uchimoto; Toyomi Saiga; Thepchai Supnithi; Hitoshi Isahara (ACL (Companion), 2003)

The Overview of the SST Speech Corpus of Japanese Learner English and Evaluation Through the Experiment on Automatic Detection of Learners' Errors. - Emi Izumi; Kiyotaka Uchimoto; Hitoshi Isahara (LREC, 2004)

Error Annotation for Corpus of Japanese Learner English. - Emi Izumi; Kiyotaka Uchimoto; Hitoshi Isahara (LINC@IJCNLP, 2005)

Measuring Intelligibility of Japanese Learner English. - Emi Izumi; Kiyotaka Uchimoto; Hitoshi Isahara (FinTAL, 2006)

Classification of Speaking Proficiency Level by Machine Learning and Feature Selection. - Brendan Flanagan; Sachio Hirokawa; Emiko Kaneko; Emi Izumi (SETE@ICWL, 2016)

A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features. - Brendan Flanagan; Sachio Hirokawa; Emiko Kaneko; Emi Izumi; Hiroaki Ogata (IIAI-AAI, 2017)