Polynomial Time Inductive Inference of Cograph Pattern Languages from Positive Data. - Yuta Yoshimura; Takayoshi Shoudai; Yusuke Suzuki; Tomoyuki Uchida; Tetsuhiro Miyahara (ILP, 2011)

Learning Unordered Tree Contraction Patterns in Polynomial Time. - Yuta Yoshimura; Takayoshi Shoudai (ILP, 2012)

Polynomial Time Learnability of Graph Pattern Languages Defined by Cographs. - Takayoshi Shoudai; Yuta Yoshimura; Yusuke Suzuki; Tomoyuki Uchida; Tetsuhiro Miyahara (IEICE Trans. Inf. Syst., 2018)