Toward the "At-a-glance" Summary: Phrase-representation Summarization Method. - Yoshihiro Ueda; Mamiko Oka; Takahiro Koyama; Tadanobu Miyauchi (COLING, 2000)

Phrase-representation Summarization Method and Its Evaluation. - Mamiko Oka; Yoshihiro Ueda (NTCIR, 2001)

Evaluation of the Document Categorization in "Fixed-point Observatory". - Yoshihiro Ueda; Mamiko Oka; Katsunori Houchi; Akio Yamashita (NTCIR, 2005)