Automatic Wrapper Generation for Metasearch Using Ordered Tree Structured Patterns. - Kazuhide Aikou; Yusuke Suzuki; Takayoshi Shoudai; Tetsuhiro Miyahara (Australian Conference on Artificial Intelligence, 2004)

A Polynomial Time Matching Algorithm of Ordered Tree Patterns Having Height-Constrained Variables. - Kazuhide Aikou; Yusuke Suzuki; Takayoshi Shoudai; Tomoyuki Uchida; Tetsuhiro Miyahara (CPM, 2005)