A Simpler Analysis of the Multi-way Branching Decision Tree Boosting Algorithm. - Kohei Hatano (ALT, 2001)

Boosting versus Covering. - Kohei Hatano; Manfred K. Warmuth (NIPS, 2003)

Learning r-of-k Functions by Boosting. - Kohei Hatano; Osamu Watanabe 001 (ALT, 2004)

A Simple Boosting Algorithm Using Multi-Way Branching Decision Trees. - Kohei Hatano (Theory Comput. Syst., 2004)

Practical Algorithms for Pattern Based Linear Regression. - Hideo Bannai; Kohei Hatano; Shunsuke Inenaga; Masayuki Takeda (Discovery Science, 2005)

Smooth Boosting Using an Information-Based Criterion. - Kohei Hatano (ALT, 2006)

Reducing Trials by Thinning-Out in Skill Discovery. - Hayato Kobayashi; Kohei Hatano; Akira Ishino; Ayumi Shinohara (Discovery Science, 2007)

Unsupervised Spam Detection Based on String Alienness Measures. - Kazuyuki Narisawa; Hideo Bannai; Kohei Hatano; Masayuki Takeda (Discovery Science, 2007)

Smooth Boosting for Margin-Based Ranking. - Jun-ichi Moribe; Kohei Hatano; Eiji Takimoto; Masayuki Takeda (ALT, 2008)

Online Learning of Maximum p-Norm Margin Classifiers with Bias. - Kosuke Ishibashi; Kohei Hatano; Masayuki Takeda (COLT, 2008)

String Kernels Based on Variable-Length-Don't-Care Patterns. - Kazuyuki Narisawa; Hideo Bannai; Kohei Hatano; Shunsuke Inenaga; Masayuki Takeda (Discovery Science, 2008)

Linear Programming Boosting by Column and Row Generation. - Kohei Hatano; Eiji Takimoto (Discovery Science, 2009)

Theory and Algorithm for Learning with Dissimilarity Functions. - Liwei Wang 001; Masashi Sugiyama; Cheng Yang; Kohei Hatano; Jufu Feng (Neural Comput., 2009)

Sparse Substring Pattern Set Discovery Using Linear Programming Boosting. - Kazuaki Kashihara; Kohei Hatano; Hideo Bannai; Masayuki Takeda (Discovery Science, 2010)

Ellipsoidal Support Vector Machines. - Michinari Momma; Kohei Hatano; Hiroki Nakayama (ACML, 2010)

Approximate Reduction from AUC Maximization to 1-Norm Soft Margin Optimization. - Daiki Suehiro; Kohei Hatano; Eiji Takimoto (ALT, 2011)

Online Linear Optimization over Permutations. - Shota Yasutake; Kohei Hatano; Shuji Kijima; Eiji Takimoto; Masayuki Takeda (ISAAC, 2011)

Music Genre Classification using Similarity Functions. - Yoko Anan; Kohei Hatano; Hideo Bannai; Masayuki Takeda (ISMIR, 2011)

Adaptive Online Prediction Using Weighted Windows. - Shin-ichi Yoshida; Kohei Hatano; Eiji Takimoto; Masayuki Takeda (IEICE Trans. Inf. Syst., 2011)

Online Prediction under Submodular Constraints. - Daiki Suehiro; Kohei Hatano; Shuji Kijima; Eiji Takimoto; Kiyohito Nagano (ALT, 2012)

Polyphonic Music Classification on Symbolic Data Using Dissimilarity Functions. - Yoko Anan; Kohei Hatano; Hideo Bannai; Masayuki Takeda; Ken Satoh (ISMIR, 2012)

Online Rank Aggregation. - Shota Yasutake; Kohei Hatano; Eiji Takimoto; Masayuki Takeda (ACML, 2012)

Combinatorial Online Prediction via Metarounding. - Takahiro Fujita; Kohei Hatano; Eiji Takimoto (ALT, 2013)

Efficient Algorithms for Combinatorial Online Prediction. - Eiji Takimoto; Kohei Hatano (ALT, 2013)

Online matrix prediction for sparse loss matrices. - Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto; Koji Tsuda (ACML, 2014)

Efficient Sampling Method for Monte Carlo Tree Search Problem. - Kazuki Teraoka; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2014)

Online Linear Optimization for Job Scheduling Under Precedence Constraints. - Takahiro Fujita; Kohei Hatano; Shuji Kijima; Eiji Takimoto (ALT, 2015)

Online Density Estimation of Bradley-Terry Models. - Issei Matsumoto; Kohei Hatano; Eiji Takimoto (COLT, 2015)

A Combinatorial Metrical Task System Problem Under the Uniform Metric. - Takumi Nakazono; Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto (ALT, 2016)

An Attempt to Promote Open Data for Digital Humanities in Japanese University Libraries. - Emi Ishita; Tetsuya Nakatoh; Kohei Hatano; Michiaki Takayama (ICADL, 2016)

Simultaneous Safe Screening of Features and Samples in Doubly Sparse Modeling. - Atsushi Shibagaki; Masayuki Karasuyama; Kohei Hatano; Ichiro Takeuchi (ICML, 2016)

An Online Policy Gradient Algorithm for Markov Decision Processes with Continuous States and Actions. - Yao Ma; Tingting Zhao 001; Kohei Hatano; Masashi Sugiyama (Neural Comput., 2016)

Bandit online optimization over the permutahedron. - Nir Ailon; Kohei Hatano; Eiji Takimoto (Theor. Comput. Sci., 2016)

Boosting the kernelized shapelets: Theory and algorithms for local features. - Daiki Suehiro; Kohei Hatano; Eiji Takimoto; Shuji Yamamoto; Kenichi Bannai; Akiko Takeda (CoRR, 2017)

Can Machine Learning Techniques Provide Better Learning Support for Elderly People? - Kohei Hatano (HCI (22), 2018)

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 (HCI (22), 2018)

Combinatorial Online Prediction. - Kohei Hatano (ISITA, 2018)

Decision Diagrams for Solving a Job Scheduling Problem Under Precedence Constraints. - Kosuke Matsumoto; Kohei Hatano; Eiji Takimoto (SEA, 2018)

Multiple-Instance Learning by Boosting Infinitely Many Shapelet-based Classifiers. - Daiki Suehiro; Kohei Hatano; Eiji Takimoto; Shuji Yamamoto; Kenichi Bannai; Akiko Takeda (CoRR, 2018)

Online Combinatorial Optimization with Multiple Projections and Its Application to Scheduling Problem. - Takahiro Fujita; Kohei Hatano; Shuji Kijima; Eiji Takimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Online Linear Optimization with the Log-Determinant Regularizer. - Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2018)

Tighter Generalization Bounds for Matrix Completion Via Factorization Into Constrained Matrices. - Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2018)

Efficient Reformulation of 1-Norm Ranking SVM. - Daiki Suehiro; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2018)

Integrating Multimodal Learning Analytics and Inclusive Learning Support Systems for People of All Ages. - Kaori Tamura; Min Lu 003; Shin'ichi Konomi; Kohei Hatano; Miyuki Inaba; Misato Oi; Tsuyoshi Okamoto; Fumiya Okubo; Atsushi Shimada; Jingyun Wang; Masanori Yamada; Yuki Yamada (HCI (12), 2019)

Recognition of Japanese Historical Hand-Written Characters Based on Object Detection Methods. - Yiping Tang; Kohei Hatano; Eiji Takimoto (HIP@ICDAR, 2019)

Succinct Representation of Linear Extensions via MDDs and Its Application to Scheduling Under Precedence Constraints. - Fumito Miyake; Eiji Takimoto; Kohei Hatano (IWOCA, 2019)

Proposal and Implementation of an Elderly-oriented User Interface for Learning Support Systems. - Min Lu 003; Kaori Tamura; Tsuyoshi Okamoto; Misato Oi; Atsushi Shimada; Kohei Hatano; Masanori Yamada; Shin'ichi Konomi (L@S, 2019)

Pilot Study to Estimate "Difficult" Area in e-Learning Material by Physiological Measurements. - Kaori Tamura; Tsuyoshi Okamoto; Misato Oi; Atsushi Shimada; Kohei Hatano; Masanori Yamada; Min Lu 003; Shin'ichi Konomi (L@S, 2019)

Multiagent Multi-Armed Bandit Schemes for Gateway Selection in UAV Networks. - Sherief Hashima; Kohei Hatano; Ehab Mahmoud Mohamed (GLOBECOM (Workshops), 2020)

Minimax Optimal Stochastic Strategy (MOSS) For Neighbor Discovery and Selection In Millimeter Wave D2D Networks. - Sherief Hashima; Kohei Hatano; Eiji Takimoto; Ehab Mahmoud Mohamed (WPMC, 2020)

A generalised log-determinant regularizer for online semi-definite programming and its applications. - Yaxiong Liu; Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto (CoRR, 2020)

Neighbor Discovery and Selection in Millimeter Wave D2D Networks Using Stochastic MAB. - Sherief Hashima; Kohei Hatano; Eiji Takimoto; Ehab Mahmoud Mohamed (IEEE Commun. Lett., 2020)

Foreword. - Kohei Hatano (IEICE Trans. Inf. Syst., 2020)

Theory and Algorithms for Shapelet-Based Multiple-Instance Learning. - Daiki Suehiro; Kohei Hatano; Eiji Takimoto; Shuji Yamamoto; Kenichi Bannai; Akiko Takeda (Neural Comput., 2020)

Gateway Selection in Millimeter Wave UAV Wireless Networks Using Multi-Player Multi-Armed Bandit. - Ehab Mahmoud Mohamed; Sherief Hashima; Abdallah Aldosary; Kohei Hatano; Mahmoud Ahmed Abdelghany (Sensors, 2020)

Boosting over non-deterministic ZDDs. - Takahiro Fujita; Kohei Hatano; Eiji Takimoto (Theor. Comput. Sci., 2020)

Expert advice problem with noisy low rank loss. - Yaxiong Liu; Xuanke Jiang; Kohei Hatano; Eiji Takimoto (ACML, 2021)

An online semi-definite programming with a generalised log-determinant regularizer and its applications. - Yaxiong Liu; Ken-ichiro Moridomi; Kohei Hatano; Eiji Takimoto (ACML, 2021)

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 (GLOBECOM, 2021)

WiGig Wireless Sensor Selection Using Sophisticated Multi Armed Bandit Schemes. - Sherief Hashima; Ehab Mahmoud Mohamed; Kohei Hatano; Eiji Takimoto (ICMU, 2021)

Improved Algorithms for Online Load Balancing. - Yaxiong Liu; Kohei Hatano; Eiji Takimoto (SOFSEM, 2021)

Wi-Fi Assisted Contextual Multi-Armed Bandit for Neighbor Discovery and Selection in Millimeter Wave Device to Device Communications. - Sherief Hashima; Kohei Hatano; Hany Kasban; Ehab Mahmoud Mohamed (Sensors, 2021)

Sleeping Contextual/Non-Contextual Thompson Sampling MAB for mmWave D2D Two-Hop Relay Probing. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano; Mostafa M. Fouda; Zubair Md Fadlullah (IEEE Trans. Veh. Technol., 2021)

Two-Hop Relay Probing in WiGig Device-to-Device Networks Using Sleeping Contextual Bandits. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano; Saud Alhajaj Aldossari; Mahdi Zareei; Mohamed Rihan (IEEE Wirel. Commun. Lett., 2021)

MAB Algorithms for Single and Concurrent Millimeter Wave Indoor Beamforming Training. - Ehab Mahmoud Mohamed; Sherief Hashima; Basem M. ElHalawany; Kohei Hatano; Kaishun Wu (IEEE DataPort, 2021)

UAV Positioning with Joint NOMA Power Allocation and Receiver Node Activation. - Ahmad Gendia; Osamu Muta; Sherief Hashima; Kohei Hatano (PIMRC, 2022)

AI-Enabled UAV Communications: Challenges and Future Directions. - Amira O. Hashesh; Sherief Hashima; Rokaia M. Zaki; Mostafa M. Fouda; Kohei Hatano; Adly S. Tag Eldien (IEEE Access, 2022)

Cost-Effective MAB Approaches for Reconfigurable Intelligent Surface Aided Millimeter Wave Relaying. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano; Mostafa M. Fouda (IEEE Access, 2022)

Boosting as Frank-Wolfe. - Ryotaro Mitsuboshi; Kohei Hatano; Eiji Takimoto (CoRR, 2022)

Reconfigurable intelligent surface-aided millimetre wave communications utilizing two-phase minimax optimal stochastic strategy bandit. - Ehab Mahmoud Mohamed; Sherief Hashima; Nasreen Anjum; Kohei Hatano; Walid El Shafai; Basem M. ElHalawany (IET Commun., 2022)

Energy-Aware Hybrid RF-VLC Multiband Selection in D2D Communication: A Stochastic Multiarmed Bandit Approach. - Sherief Hashima; Mostafa M. Fouda; Sadman Sakib; Zubair Md Fadlullah; Kohei Hatano; Ehab Mahmoud Mohamed; Xuemin Shen (IEEE Internet Things J., 2022)

Two-Stage Multiarmed Bandit for Reconfigurable Intelligent Surface Aided Millimeter Wave Communications. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano; Saud Alhajaj Aldossari (Sensors, 2022)

Leveraging Machine Learning for Millimeter Wave Beamforming in Beyond 5G Networks. - Basem M. ElHalawany; Sherief Hashima; Kohei Hatano; Kaishun Wu; Ehab Mahmoud Mohamed (IEEE Syst. J., 2022)

Optimal Channel Selection in Hybrid RF/VLC Networks: A Multi-Armed Bandit Approach. - Mostafa M. Fouda; Sherief Hashima; Sadman Sakib; Zubair Md Fadlullah; Kohei Hatano; Xuemin Shen (IEEE Trans. Veh. Technol., 2022)

Energy Aware Multiarmed Bandit for Millimeter Wave-Based UAV Mounted RIS Networks. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano (IEEE Wirel. Commun. Lett., 2022)

Advanced MAB Schemes for WiGig-Aided Aerial Mounted RIS Wireless Networks. - Sherief Hashima; Kohei Hatano; Ehab Mahmoud Mohamed (CCNC, 2023)

Extended Formulations via Decision Diagrams. - Yuta Kurokawa; Ryotaro Mitsuboshi; Haruki Hamasaki; Kohei Hatano; Eiji Takimoto; Holakou Rahmanian (COCOON (2), 2023)

Boosting-Based Construction of BDDs for Linear Threshold Functions and Its Application to Verification of Neural Networks. - Yiping Tang; Kohei Hatano; Eiji Takimoto (DS, 2023)

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 (GLOBECOM, 2023)

Budgeted Thompson Sampling for Trajectory Planning in UAV-Enhanced NOMA Emergency Networks. - Ramez Hosny; Sherief Hashima; Ehab Mahmoud Mohamed; Kohei Hatano; Rokaia M. Zaki; Basem M. ElHalawany (IoTaIS, 2023)

Vehicle Classification in Intelligent Transportation Systems Using Deep Learning and Seismic Data. - Sherief Hashima; Mohamed H. Saad; Kohei Hatano; Hamada Rizk (ISI, 2023)

Advanced Learning Schemes for Metaverse Applications in B5G/6G Networks. - Sherief Hashima; Mostafa M. Fouda; Kohei Hatano; Eiji Takimoto (MetaCom, 2023)

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 (PIMRC, 2023)

Load Balancing Multi-Player MAB Approaches for RIS-Aided mmWave User Association. - Ehab Mahmoud Mohamed; Sherief Hashima; Kohei Hatano; Eiji Takimoto; Mohamed Abdel-Nasser (IEEE Access, 2023)

Pure exploration in multi-armed bandits with low rank structure using oblivious sampler. - Yaxiong Liu; Atsuyoshi Nakamura; Kohei Hatano; Eiji Takimoto (CoRR, 2023)

An Improved Metarounding Algorithm via Frank-Wolfe. - Ryotaro Mitsuboshi; Kohei Hatano; Eiji Takimoto (CoRR, 2023)

Dual objective bandit for best channel selection in hybrid band wireless systems. - Sherief Hashima; Mostafa M. Fouda; Kohei Hatano; Hany Kasban; Ehab Mahmoud Mohamed (J. Ambient Intell. Humaniz. Comput., 2023)

On Softwarization of Intelligence in 6G Networks for Ultra-Fast Optimal Policy Selection: Challenges and Opportunities. - Sherief Hashima; Zubair Md Fadlullah; Mostafa M. Fouda; Ehab Mahmoud Mohamed; Kohei Hatano; Basem M. ElHalawany; Mohsen Guizani (IEEE Netw., 2023)

Revolutionizing Over-the-Air Updates: Practical Dual-band V2X Measurements. - Sherief Hashima; Zongdian Li; Kohei Hatano; Kei Sakaguchi (VTC Fall, 2024)

Opportunistic Downlink User Connectivity in NOMA Enhanced NB-IoT Systems, A Semi-Matching Approach. - Xuanke Jiang; Sherief Hashima; Kohei Hatano; Eiji Takimoto (WCNC, 2024)

Online Job Scheduling with K Servers. - Xuanke Jiang; Sherief Hashima; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2024)

Solving Linear Regression with Insensitive Loss by Boosting. - Ryotaro Mitsuboshi; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2024)

Rotation-Invariant Convolution Networks with Hexagon-Based Kernels. - Yiping Tang; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2024)

Online Combinatorial Linear Optimization via a Frank-Wolfe-Based Metarounding Algorithm. - Ryotaro Mitsuboshi; Kohei Hatano; Eiji Takimoto (IEICE Trans. Inf. Syst., 2025)

Multi-objective Good Arm Identification with Bandit Feedback. - Xuanke Jiang; Kohei Hatano; Eiji Takimoto (CoRR, 2025)

Adversarial bandit optimization for approximately linear functions. - Zhuoyu Cheng; Kohei Hatano; Eiji Takimoto (CoRR, 2025)