A New Framework for Discovering Knowledge from Two-Dimensional Structured Data Using Layout Formal Graph System. - Tomoyuki Uchida; Yuko Itokawa; Takayoshi Shoudai; Tetsuhiro Miyahara; Yasuaki Nakamura (ALT, 2000)

Finding Frequent Subgraphs from Graph Structured Data with Geometric Information and Its Application to Lossless Compression. - Yuko Itokawa; Tomoyuki Uchida; Takayoshi Shoudai; Tetsuhiro Miyahara; Yasuaki Nakamura (PAKDD, 2003)

Polynomial Time Pattern Matching Algorithm for Ordered Graph Patterns. - Takahiro Hino; Yusuke Suzuki; Tomoyuki Uchida; Yuko Itokawa (ILP, 2012)