A Fast Voronoi-Diagram Algorithm With Quaternary Tree Bucketing. - Takao Ohya; Masao Iri; Kazuo Murota (Inf. Process. Lett., 1984)

The Treatment of Hierarchical Criteria in Dominant AHP with Super Pairwise Comparison Matrix. - Takao Ohya; Eizo Kinoshita (IDT/IIMSS/STET, 2014)

Using Super Pairwise Comparison Matrix for Calculation of the Multiple Dominant AHP. - Takao Ohya; Eizo Kinoshita (KES-IDT, 2015)

Super Pairwise Comparison Matrix in the Dominant AHP with Hierarchical Criteria. - Takao Ohya; Eizo Kinoshita (KES-IDT (1), 2017)

Super Pairwise Comparison Matrix in the Multiple Dominant AHP with Hierarchical Criteria. - Takao Ohya; Eizo Kinoshita (KES-IDT, 2018)

SPCM with Harker Method for MDAHP Including Hierarchical Criteria. - Takao Ohya (KES-IDT (2), 2019)

SPCM with Improved Two-Stage Method for MDAHP Including Hierarchical Criteria. - Takao Ohya (KES-IDT, 2020)

Calculations of SPCM by Several Methods for MDAHP Including Hierarchical Criteria. - Takao Ohya (KES-IDT, 2021)

Calculations by Several Methods for D-AHP Including Hierarchical Criteria. - Takao Ohya (KES-IDT, 2022)

Calculations by Several Methods for MDAHP Including Hierarchical Criteria. - Takao Ohya (KES-IDT, 2023)

Calculations by Several Methods for D-AHP Including Hierarchical Alternatives. - Takao Ohya (KES-IDT, 2024)