| 2026 | WCNC | Contextual Thompson Sampling for Airborne RIS in mmWave-Enabled Metaverse Networks. | Sherief Hashima, Ehab Mahmoud Mohamed, Kohei Hatano, Eiji Takimoto, Zubair Md Fadlullah, Mostafa M. Fouda |
| 2025 | DIS | Adversarial Bandit Optimization for Approximately Linear Functions. | Zhuoyu Cheng, Kohei Hatano, Eiji Takimoto |
| 2025 | GLOBECOM | Efficient Task Offloading via Semi-Matching for Energy Harvesting D2D Communications. | Xuanke Jiang, Sherief Hashima, Kohei Hatano, Eiji Takimoto |
| 2024 | VTC | Revolutionizing Over-the-Air Updates: Practical Dual-band V2X Measurements. | Sherief Hashima, Zongdian Li, Kohei Hatano, Kei Sakaguchi |
| 2024 | WCNC | Opportunistic Downlink User Connectivity in NOMA Enhanced NB-IoT Systems, A Semi-Matching Approach. | Xuanke Jiang, Sherief Hashima, Kohei Hatano, Eiji Takimoto |
| 2023 | COCOON | Extended Formulations via Decision Diagrams. | Yuta Kurokawa, Ryotaro Mitsuboshi, Haruki Hamasaki, Kohei Hatano, Eiji Takimoto, Holakou Rahmanian |
| 2023 | DIS | Boosting-Based Construction of BDDs for Linear Threshold Functions and Its Application to Verification of Neural Networks. | Yiping Tang, Kohei Hatano, Eiji Takimoto |
| 2023 | GLOBECOM | A Dual-Objective Bandit-Based Opportunistic Band Selection Strategy for Hybrid-Band V2X Metaverse Content Update. | Sherief Hashima, Zubair Md Fadlullah, Mostafa M. Fouda, Kohei Hatano, Eiji Takimoto, Mohsen Guizani |
| 2023 | ISI | Vehicle Classification in Intelligent Transportation Systems Using Deep Learning and Seismic Data. | Sherief Hashima, Mohamed H. Saad, Kohei Hatano, Hamada Rizk |
| 2023 | PIMRC | On Enhancing WiGig Communications With A UAV-Mounted RIS System: A Contextual Multi-Armed Bandit Approach. | Sherief Hashima, Ehab Mahmoud Mohamed, Kohei Hatano, Eiji Takimoto, Mostafa M. Fouda, Zubair Md Fadlullah |
| 2022 | PIMRC | UAV Positioning with Joint NOMA Power Allocation and Receiver Node Activation. | Ahmad Gendia, Osamu Muta, Sherief Hashima, Kohei Hatano |
| 2021 | ACML | Expert advice problem with noisy low rank loss. | Yaxiong Liu, Xuanke Jiang, Kohei Hatano, Eiji Takimoto |
| 2021 | ACML | An online semi-definite programming with a generalised log-determinant regularizer and its applications. | Yaxiong Liu, Ken-ichiro Moridomi, Kohei Hatano, Eiji Takimoto |
| 2021 | GLOBECOM | Improved UCB-based Energy-Efficient Channel Selection in Hybrid-Band Wireless Communication. | Sherief Hashima, Mostafa M. Fouda, Zubair Md Fadlullah, Ehab Mahmoud Mohamed, Kohei Hatano |
| 2021 | SOFSEM | Improved Algorithms for Online Load Balancing. | Yaxiong Liu, Kohei Hatano, Eiji Takimoto |
| 2020 | GLOBECOM | Multiagent Multi-Armed Bandit Schemes for Gateway Selection in UAV Networks. | Sherief Hashima, Kohei Hatano, Ehab Mahmoud Mohamed |
| 2019 | HCI | Integrating Multimodal Learning Analytics and Inclusive Learning Support Systems for People of All Ages. | Kaori Tamura, Min Lu, Shin'ichi Konomi, Kohei Hatano, Miyuki Inaba, Misato Oi, Tsuyoshi Okamoto, Fumiya Okubo, Atsushi Shimada, Jingyun Wang, Masanori Yamada, Yuki Yamada |
| 2019 | ICDAR | Recognition of Japanese Historical Hand-Written Characters Based on Object Detection Methods. | Yiping Tang, Kohei Hatano, Eiji Takimoto |
| 2019 | IWOCA | Succinct Representation of Linear Extensions via MDDs and Its Application to Scheduling Under Precedence Constraints. | Fumito Miyake, Eiji Takimoto, Kohei Hatano |
| 2018 | HCI | Can Machine Learning Techniques Provide Better Learning Support for Elderly People? | Kohei Hatano |
| 2018 | HCI | Towards Supporting Multigenerational Co-creation and Social Activities: Extending Learning Analytics Platforms and Beyond. | Shin'ichi Konomi, Kohei Hatano, Miyuki Inaba, Misato Oi, Tsuyoshi Okamoto, Fumiya Okubo, Atsushi Shimada, Jingyun Wang, Masanori Yamada, Yuki Yamada |
| 2018 | ISITA | Combinatorial Online Prediction. | Kohei Hatano |
| 2018 | WALCOM | Boosting over Non-deterministic ZDDs. | Takahiro Fujita, Kohei Hatano, Eiji Takimoto |
| 2016 | ALT | A Combinatorial Metrical Task System Problem Under the Uniform Metric. | Takumi Nakazono, Ken-ichiro Moridomi, Kohei Hatano, Eiji Takimoto |
| 2016 | ICML | Simultaneous Safe Screening of Features and Samples in Doubly Sparse Modeling. | Atsushi Shibagaki, Masayuki Karasuyama, Kohei Hatano, Ichiro Takeuchi |
| 2015 | ALT | Online Linear Optimization for Job Scheduling Under Precedence Constraints. | Takahiro Fujita, Kohei Hatano, Shuji Kijima, Eiji Takimoto |
| 2015 | COLT | Online Density Estimation of Bradley-Terry Models. | Issei Matsumoto, Kohei Hatano, Eiji Takimoto |
| 2014 | ACML | Online matrix prediction for sparse loss matrices. | Ken-ichiro Moridomi, Kohei Hatano, Eiji Takimoto, Koji Tsuda |
| 2014 | ALT | Bandit Online Optimization over the Permutahedron. | Nir Ailon, Kohei Hatano, Eiji Takimoto |
| 2013 | ALT | Combinatorial Online Prediction via Metarounding. | Takahiro Fujita, Kohei Hatano, Eiji Takimoto |
| 2013 | ALT | Efficient Algorithms for Combinatorial Online Prediction. | Eiji Takimoto, Kohei Hatano |
| 2012 | ALT | Online Prediction under Submodular Constraints. | Daiki Suehiro, Kohei Hatano, Shuji Kijima, Eiji Takimoto, Kiyohito Nagano |
| 2011 | ALT | Approximate Reduction from AUC Maximization to 1-Norm Soft Margin Optimization. | Daiki Suehiro, Kohei Hatano, Eiji Takimoto |
| 2011 | ISAAC | Online Linear Optimization over Permutations. | Shota Yasutake, Kohei Hatano, Shuji Kijima, Eiji Takimoto, Masayuki Takeda |
| 2010 | DIS | Sparse Substring Pattern Set Discovery Using Linear Programming Boosting. | Kazuaki Kashihara, Kohei Hatano, Hideo Bannai, Masayuki Takeda |
| 2009 | DIS | Linear Programming Boosting by Column and Row Generation. | Kohei Hatano, Eiji Takimoto |
| 2008 | ALT | Smooth Boosting for Margin-Based Ranking. | Jun-ichi Moribe, Kohei Hatano, Eiji Takimoto, Masayuki Takeda |
| 2008 | COLT | Online Learning of Maximum p-Norm Margin Classifiers with Bias. | Kosuke Ishibashi, Kohei Hatano, Masayuki Takeda |
| 2008 | DIS | String Kernels Based on Variable-Length-Don't-Care Patterns. | Kazuyuki Narisawa, Hideo Bannai, Kohei Hatano, Shunsuke Inenaga, Masayuki Takeda |
| 2007 | DIS | Reducing Trials by Thinning-Out in Skill Discovery. | Hayato Kobayashi, Kohei Hatano, Akira Ishino, Ayumi Shinohara |
| 2007 | DIS | Unsupervised Spam Detection Based on String Alienness Measures. | Kazuyuki Narisawa, Hideo Bannai, Kohei Hatano, Masayuki Takeda |
| 2006 | ALT | Smooth Boosting Using an Information-Based Criterion. | Kohei Hatano |
| 2005 | DIS | Practical Algorithms for Pattern Based Linear Regression. | Hideo Bannai, Kohei Hatano, Shunsuke Inenaga, Masayuki Takeda |
| 2004 | ALT | Learning r-of-k Functions by Boosting. | Kohei Hatano, Osamu Watanabe |
| 2001 | ALT | A Simpler Analysis of the Multi-way Branching Decision Tree Boosting Algorithm. | Kohei Hatano |