A Fast Algorithm for Discovering Optimal String Patterns in Large Text Databases. - Hiroki Arimura; Atsushi Wataki; Ryoichi Fujino; Setsuo Arikawa (ALT, 1998)

An Efficient Tool for Discovering Simple Combinatorial Patterns from Large Text Databases. - Hiroki Arimura; Atsushi Wataki; Ryoichi Fujino; Shinichi Shimozono; Setsuo Arikawa (Discovery Science, 1998)

Text Data Mining: Discovery of Important Keywords in the Cyberspace. - Hiroki Arimura; Jun-ichiro Abe; Hiroshi Sakamoto; Setsuo Arikawa; Ryoichi Fujino; Shinichi Shimozono (Kyoto International Conference on Digital Libraries, 2000)

Discovering Unordered and Ordered Phrase Association Patterns for Text Mining. - Ryoichi Fujino; Hiroki Arimura; Setsuo Arikawa (PAKDD, 2000)