Bonsai Style Classification: A New Database and Baseline Results

S. Satake, Guilherme Nakahata, C. Aranha International Conference on Autonomous Agents and Multiagent Systems (AAMAS), Cyprus, 2026

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Decision-Making Policies under Stigmergic Communication: A Pheromone-Based Multi-Agent Study

A Pheromone-Based Multi-Agent Study S. Satake, Guilherme Nakahata, C. Aranha IEEE World Congress on Computational Intelligence (WCCI-CEC), 2026

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Bioinspired strategy for coordinating multiple unmanned aerial vehicles for surveillance tasks

S. Satake, Guilherme Nakahata, R. Calvo IEEE World Congress on Computational Intelligence (WCCI-CEC), Netherlands, 2026

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2025

Bird Apprehension Forecasting with XGBoost

F. Diniz, J. Luis, Guilherme Nakahata Computer on the Beach — Florianópolis, Brazil, 2025

PDF · DOI: 10.14210/cotb.v16.p154-159

2023

Metaheuristic VNS applied to the crew rostering problem in the intercity and interstate public transport

Guilherme Nakahata, L. Saviniec, A. Constantino Brazilian Symposium on Operations Research (SBPO) — São José dos Campos, Brazil, 2023

PDF · DOI: 10.59254/sbpo-2023-174797

2020

Bonsai Style Classification: A New Database and Baseline Results

Guilherme Nakahata, A. Constantino, Y. Maldonado IEEE International Symposium on Multimedia (ISM) — Naples, Italy, 2020

PDF · DOI: 10.1109/ISM.2020.00025 · Repository

Education

  • PhD in Computer Science, University of Tsukuba (2025–Present)

  • M.Sc. in Computer Science, State University of Maringá (2022)

  • B.Sc. in Computer Science, State University of Paraná (2019)

Academic & Research Experience

  • Research Assistant, AIST (2025–Present)

  • Teaching Assistant (CS Seminar), University of Tsukuba (2025–2026)

  • Research Student, University of Tsukuba (2024–2025)

  • Substitute Assistant Professor, UNESPAR (2023–2024)

  • Assistant Professor, Apucarana University (2023)

International Collaborations

  • Collaboration with Manna Team (Brazil - 2025) – Research project funded by Araucaria Foundation

Scholarships

  • MEXT Scholarship (Japan), 2024–Present

  • CAPES Scholarship (Brazil), 2020–2022