KK
Ken Kobayashi
cs.LGmath.OCstat.MLcs.AIBeveragesbispectral EEG (BSEEG)CommerceConsumer Behaviorcs.CVcs.DS
On Valency
published · living versionsW_pjpkuzq6·v1 · currentpublished
Robustness Verification against Patch Attacks via Group-Lasso Semidefinite Relaxation
with Yukina Nakagawa, Takami Sato, Kazuhide Nakata
1 version
Preprints & journals
22 papers in the corpus · 2018–2026Distributionally robust optimization for recommendation selection2603.22090v1 · Tomoya Yanagi, Shunnosuke Ikeda, Ken Kobayashi et al.2026 · 0 citationsarXiv
Content-Aware Ad Banner Layout Generation with Two-Stage Chain-of-Thought in Vision Language Models2512.12596v1 · Kei Yoshitake, Kento Hosono, Ken Kobayashi et al.2025 · 0 citationsarXiv
Interior-Point Vanishing Problem in Semidefinite Relaxations for Neural Network Verification2506.10269v1 · Ryota Ueda, Takami Sato, Ken Kobayashi et al.2025 · 0 citationsarXiv
Estimating sales transitions between competing products via optimal transport.40478796 · Yamao, Shoki, Ueda, Ryota, Koguchi, Shoichiro et al.2025 · 0 citationsPloS one. 2025;20(6):e0325173
Balancing Immediate Revenue and Future Off-Policy Evaluation in Coupon Allocation2407.11039v3 · Naoki Nishimura, Ken Kobayashi, Kazuhide Nakata2024 · 0 citationsarXiv
Learning Decision Trees and Forests with Algorithmic Recourse2406.01098v1 · Kentaro Kanamori, Takuya Takagi, Ken Kobayashi et al.2024 · 0 citationsarXiv
Inverse-Optimization-Based Uncertainty Set for Robust Linear Optimization2312.00391v1 · Ayaka Ueta, Mirai Tanaka, Ken Kobayashi et al.2023 · 0 citationsarXiv
SCOPE-RL: A Python Library for Offline Reinforcement Learning and Off-Policy Evaluation2311.18206v3 · Haruka Kiyohara, Ren Kishimoto, Kosuke Kawakami et al.2023 · 0 citationsarXiv
Towards Assessing and Benchmarking Risk-Return Tradeoff of Off-Policy Evaluation2311.18207v3 · Haruka Kiyohara, Ren Kishimoto, Kosuke Kawakami et al.2023 · 0 citationsarXiv
An IPW-based Unbiased Ranking Metric in Two-sided Markets2307.10204v1 · Keisho Oh, Naoki Nishimura, Minje Sung et al.2023 · 0 citationsarXiv
Algorithmic Recourse with Missing Values2304.14606v2 · Kentaro Kanamori, Takuya Takagi, Ken Kobayashi et al.2023 · 0 citationsarXiv
Bézier Flow: a Surface-wise Gradient Descent Method for Multi-objective Optimization2205.11099v1 · Akiyoshi Sannai, Yasunari Hikima, Ken Kobayashi et al.2022 · 1 citationarXiv
A Two-phase Framework with a Bézier Simplex-based Interpolation Method for Computationally Expensive Multi-objective Optimization2203.15292v1 · Ryoji Tanabe, Youhei Akimoto, Ken Kobayashi et al.2022 · 3 citationsarXiv
Cardinality-constrained Distributionally Robust Portfolio Optimization2112.12454v2 · Ken Kobayashi, Yuichi Takano, Kazuhide Nakata2021 · 24 citationsarXiv
Evaluation of point-of-care thumb-size bispectral electroencephalography device to quantify delirium severity and predict mortality.35049468 · Yamanashi, Takehiko, Crutchley, Kaitlyn J, Wahba, Nadia E et al.2025 · 26 citationsThe British journal of psychiatry : the journal of mental science. 2022;220(6):322-329
Approximate Bayesian Computation of Bézier Simplices2104.04679v2 · Akinori Tanaka, Akiyoshi Sannai, Ken Kobayashi et al.2021 · 0 citationsarXiv
Topological data analysis (TDA) enhances bispectral EEG (BSEEG) algorithm for detection of delirium.33431928 · Yamanashi, Takehiko, Kajitani, Mari, Iwata, Masaaki et al.2021 · 41 citationsScientific reports. 2021;11(1):304
Ordered Counterfactual Explanation by Mixed-Integer Linear Optimization2012.11782v2 · Kentaro Kanamori, Takuya Takagi, Ken Kobayashi et al.2020 · 35 citationsarXiv
Prediction of hierarchical time series using structured regularization and its application to artificial neural networks.33180811 · Shiratori, Tomokaze, Kobayashi, Ken, Takano, Yuichi2021 · 14 citationsPloS one. 2020;15(11):e0242099
Bilevel Cutting-plane Algorithm for Solving Cardinality-constrained Mean-CVaR Portfolio Optimization Problems2005.12797v3 · Ken Kobayashi, Yuichi Takano, Kazuhide Nakata2020 · 2 citationsarXiv
Asymptotic Risk of Bezier Simplex Fitting1906.06924v1 · Akinori Tanaka, Akiyoshi Sannai, Ken Kobayashi et al.2019 · 6 citationsarXiv
Bezier Simplex Fitting: Describing Pareto Fronts of Simplicial Problems with Small Samples in Multi-objective Optimization1812.05222v1 · Ken Kobayashi, Naoki Hamada, Akiyoshi Sannai et al.2018 · 17 citationsarXiv
Career total: 95 works. 22 are in this corpus.
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