Accuracy improvement of automatic text classification based on feature transformation. - Guowei Zu; Wataru Ohyama; Tetsushi Wakabayashi; Fumitaka Kimura (ACM Symposium on Document Engineering, 2003)

Accuracy Improvement of Automatic Text Classification Based on Feature Transformation and Multi-classifier Combination. - Xuexian Han; Guowei Zu; Wataru Ohyama; Tetsushi Wakabayashi; Fumitaka Kimura (AWCC, 2004)

The Impact of OCR Accuracy on Automatic Text Classification. - Guowei Zu; Mayo Murata; Wataru Ohyama; Tetsushi Wakabayashi; Fumitaka Kimura (AWCC, 2004)

The Supporting Technology of Business Document Proofreading based on Intercultural Differences. - Guowei Zu; Hiroshi Taira; Kyoko Makino; Toshiyuki Kano; Shigeru Matsumoto (CEC/EEE, 2007)