Vector Representation of Abstract Program Tree for Assessing Algorithm Variety for the Same Purpose. - Yoshiki Mashima; Kazuhiro Takeuchi (IUKM, 2018)

Analysis and Visualization of Patterns in Answers to Programming Problems. - Yutaka Takesue; Yoshiki Mashima; Kazuhiro Takeuchi (IIAI-AAI, 2019)

Ties Between Mined Structural Patterns in Program and Their Identifier Names. - Yoshiki Mashima; Sachio Hirokawa; Kazuhiro Takeuchi (IUKM, 2019)