Consequence Relations In DRT. - Seiki Akama; Yotaro Nakayama (COLING, 1994)

A Three-Valued Semantics for Discourse Representations. - Seiki Akama; Yotaro Nakayama (ISMVL, 1995)

Four-valued Tableau Calculi for Decision Logic of Rough Set. - Yotaro Nakayama; Seiki Akama; Tetsuya Murai (KES, 2018)

Four-Valued Semantics for Granular Reasoning Towards Frame Problem. - Yotaro Nakayama; Seiki Akama; Tetsuya Murai (SCIS&ISIS, 2018)

Rough Set Logic for Kleene's Three-valued Logic. - Yotaro Nakayama; Seiki Akama; Tetsuya Murai (SCIS/ISIS, 2020)

Bilattice Logic for Rough Sets. - Yotaro Nakayama; Seiki Akama; Tetsuya Murai (J. Adv. Comput. Intell. Intell. Informatics, 2020)

Many-valued tableau calculi for decision logic based on approximation regions in VPRS. - Yotaro Nakayama; Seiki Akama; Tetsuya Murai (Int. J. Reason. based Intell. Syst., 2021)

Four-Valued Interpretation for Paraconsistent Annotated Evidential Logic. - Yotaro Nakayama; Seiki Akama; Jair Minoro Abe; Tetsuya Murai (KES-IDT, 2022)

Annotated Logic with Rough Double Stone Algebraic Interpretation. - Yotaro Nakayama; Seiki Akama; Jair Minoro Abe; Tetsuya Murai (FUZZ, 2023)

Epistemic Situation Calculus Based on Granular Computing - A New Approach to Common-Sense Reasoning - Seiki Akama; Yotaro Nakayama; Tetsuya Murai (Springer, 2023)