Causality Model for Text Data with a Hierarchical Topic Structure. - Takuro Ogawa; Hideyasu Shimadzu; Ryosuke Saga (TAAI, 2020)

Text-based Causality Modeling with a Conceptual Label in a Hierarchical Topic Structure Using Bayesian Rose Trees. - Takuro Ogawa; Ryosuke Saga (HICSS, 2021)

Inductive Model Using Abstract Meaning Representation for Text Classification via Graph Neural Networks. - Takuro Ogawa; Ryosuke Saga (HCI (5), 2023)