@article{CTT100885916,
  author = {Ken Kobayashi and Yuichi Takano and Kazuhide Nakata},
  title = {Cardinality-constrained distributionally robust portfolio optimization},
  journal = {European Journal of Operational Research},
  year = 2023,
}

@article{CTT100852251,
  author = {Ken Kobayashi and Yuichi Takano and Kazuhide Nakata},
  title = {Bilevel Cutting-plane Algorithm for Solving Cardinality-constrained Mean-CVaR Portfolio Optimization Problems,},
  journal = {Journal of Global Optimization},
  year = 2021,
}

@article{CTT100791984,
  author = {Ryuta Tamura and Ken Kobayashi and Yuichi Takano and Ryuhei Miyashiro and Kazuhide Nakata and Tomomi Matsui},
  title = {Mixed Integer Quadratic Optimization Formulations for Eliminating Multicollinearity Based on Variance Inflation Factor},
  journal = {Journal of Global Optimization},
  year = 2019,
}

@article{CTT100773702,
  author = {田村隆太 and 小林健 and 高野祐一 and 宮代隆平 and 中田和秀 and 松井知己},
  title = {多重共線性を考慮した回帰式の変数選択問題の定式化},
  journal = {オペレーションズ・リサーチ},
  year = 2018,
}

@article{CTT100773689,
  author = {Ryuta Tamura and Ken Kobayashi and Yuichi Takano and Ryuhei Miyashiro and Kazuhide Nakata and Tomomi Matsui},
  title = {Best subset selection for eliminating multicollinearity},
  journal = {Journal of the Operations Research Society of Japan},
  year = 2017,
}

@article{CTT100773673,
  author = {山根智之 and 菅原光太郎 and 西村直樹 and 小林健 and 吉田佑輔 and 高野祐一 and 中田和秀},
  title = {時系列モデルによる商品販促効果の分析},
  journal = {オペレーションズ・リサーチ：経営の科学},
  year = 2016,
}

@article{CTT100721057,
  author = {高野祐一 and 田中未来 and 鮏川矩義 and 竹山光将 and 神里栄 and 千代竜佑 and 小林健 and 田中研太郎 and 中田和秀},
  title = {ファジィクラスタワイズ回帰を用いた共同購入型クーポンサイトの閲覧傾向分析},
  journal = {日本オペレーションズ・リサーチ},
  year = 2013,
}

@inproceedings{CTT100909197,
  author = {Haruka Kiyohara and Ren Kishimoto and Kosuke Kawakami and Ken Kobayashi and Kazuhide Nakata and Yuta Saito},
  title = {Towards Assessing and Benchmarking Risk-Return Tradeoff of Off-Policy Evaluation},
  booktitle = {},
  year = 2024,
}

@inproceedings{CTT100905933,
  author = {Keisuke Mizutani and Ayaka Ueta and Ryota Ueda and Ray Oishi and Tomofumi Hara and Yuki Hoshino and Ken Kobayashi and Kazuhide Nakata},
  title = {Zero-Inflated Poisson Tensor Factorization for Sparse Purchase Data in E-Commerce Markets},
  booktitle = {Proccdings of The 11th International Conference on Industrial Engineering and Applications (Europe)},
  year = 2024,
}

@inproceedings{CTT100903960,
  author = {Masaki Higashi and Minje Sung and Daiki Yamane and Kenta Inamuro and S. Nagai and Ken Kobayashi and Kazuhide Nakata},
  title = {Decision Tree Clustering for Time Series Data: An Approach for Enhanced Interpretability and Efficiency},
  booktitle = {Proceedings of The 20th Pacific Rim International Conference on Artificial Intelligence},
  year = 2023,
}

@inproceedings{CTT100907587,
  author = {水谷圭佑 and 小林健 and 朱博 and 北口哲也 and 井上暁人},
  title = {教師なしクラスタリングを用いたタンパク質機能予測},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100903954,
  author = {植田遼太 and 中田和秀 and 小林健},
  title = {Wasserstein距離・モーメントに基づく 分布ロバストポートフォリオ最適化の性能比較},
  booktitle = {本オペレーションズ・リサーチ学会2023年秋季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100903957,
  author = {植田遼太 and 中田和秀 and 小林健},
  title = {Wasserstein距離・モーメントに基づく 分布ロバストポートフォリオ最適化の性能比較},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100903956,
  author = {植田彩香 and 田中未来 and 小林健 and 中田和秀},
  title = {逆最適化に基づく不確実性集合を用いたロバスト線形最適化},
  booktitle = {日本オペレーションズ・リサーチ学会2023年秋季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100903955,
  author = {稲室健太 and 東将己 and 成民濟 and 永井将太 and 山根大輝 and 小林健 and 中田和秀},
  title = {解釈可能な時系列クラスタリング},
  booktitle = {日本オペレーションズ・リサーチ学会2023年春季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100903953,
  author = {水谷圭佑 and 植田彩香 and 植田遼太 and 大石嶺 and 原朋史 and 星野雄毅 and 小林健 and 中田和秀},
  title = {スパースデータに対するゼロ過剰ポアソン非負値テンソル因子分解},
  booktitle = {日本オペレーションズ・リサーチ学会2023年秋季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100900905,
  author = {Ayaka Ueta and Mirai Tanaka and Ken Kobayashi and Kazuhide Nakata},
  title = {Inverse-optimization-based uncertainty set for robust linear optimization},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100900909,
  author = {東将己 and 成民濟 and 稲室健太 and 永井将太 and 山根大輝 and 小林健 and 中田和秀},
  title = {時系列データに対する解釈可能な決定木クラスタリング},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100900904,
  author = {Keisho Oh and Naoki Nishimura and Minje Sung and Ken Kobayashi and Kazuhide Nakata},
  title = {An IPW-based Unbiased Ranking Metric in Two-sided Mark},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100900906,
  author = {大石嶺 and 水谷圭佑 and 植田彩香 and 植田遼太 and 原朋史 and 星野雄毅 and 小林健 and 中田和秀},
  title = {ゼロ過剰ポアソンテンソル因子分解を用いた EC サイトの商品購買数予測},
  booktitle = {},
  year = 2023,
}

@inproceedings{CTT100887710,
  author = {松井諒生 and 吉住宗朔 and 西村直樹 and 小林健 and 中田和秀},
  title = {定額のインセンティブ付与における予算制約を考慮したアップリフトモデリング},
  booktitle = {日本オペレーションズ・リサーチ学会2023年春季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100887711,
  author = {山根大輝 and 田中未来 and 小林健 and 中田和秀},
  title = {目的関数が未知の凸制約付き最適化問題に対する局所線形回帰を用いた非厳密Frank-Wolfe法},
  booktitle = {日本オペレーションズ・リサーチ学会2023年春季研究発表会アブストラクト集},
  year = 2023,
}

@inproceedings{CTT100884166,
  author = {翁 啓翔 and 西村 直樹 and 成 民濟 and 小林 健 and 中田 和秀},
  title = {双方向の表示順バイアスを考慮したランキング学習},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100884165,
  author = {山根大輝 and 田中未来 and 小林健 and 中田和秀},
  title = {目的関数が未知の凸制約付き最適化問題に対する局所線形回帰を用いた解法},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100884082,
  author = {小林健},
  title = {混合整数半正定値最適化問題に対する切除平面法とその周辺.},
  booktitle = {第 34 回 RAMP 数理最適化シンポジウム論文集},
  year = 2022,
}

@inproceedings{CTT100884170,
  author = {Ken Kobayashi and Yuichi Takano and Kazuhide Nakata},
  title = {Cardinality-constrained Distributionally Robust Portfolio Optimization},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100882621,
  author = {小林健 and 高野祐一 and 中田和秀},
  title = {基数制約つき分布ロバストポートフォリオ最適化,},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100882618,
  author = {Ken Kobayashi and Yuichi Takano and Kazuhide Nakata},
  title = {Cardinality-constrained Distributionally Robust Portfolio Optimization},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100867976,
  author = {小林健 and 高野祐一 and 中田和秀},
  title = {基数制約つき分布ロバストポートフォリオ最適化},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100861823,
  author = {小林健 and 高野祐一 and 中田和秀:},
  title = {基数制約つき分布ロバスト最適化},
  booktitle = {},
  year = 2021,
}

@inproceedings{CTT100861807,
  author = {小林健 and 高野祐一 and 中田和秀},
  title = {基数制約つきCVaR最小化問題に対する2重切除平面法},
  booktitle = {},
  year = 2021,
}

@inproceedings{CTT100844879,
  author = {小林健 and 高野祐一 and 中田和秀},
  title = {基数制約つきCVaR最小化問題に対する2重切除平面法},
  booktitle = {},
  year = 2021,
}

@inproceedings{CTT100839100,
  author = {Ken Kobayashi and Yuichi Takano and Kazuhide Nakata},
  title = {Bilevel Cutting-plane Algorithm for Solving Cardinality-constrained Mean-CVaR Portfolio Optimization Problems},
  booktitle = {},
  year = 2020,
}

@inproceedings{CTT100909049,
  author = {Ken Kobayashi and Naoki Hamada and Akiyoshi Sannai and Akinori Tanaka and Kenichi Bannai and Masashi Sugiyama},
  title = {Bézier simplex fitting: Describing pareto fronts of simplicial problems with small samples in multi-objective optimization},
  booktitle = {33rd AAAI Conference on Artificial Intelligence, AAAI 2019, 31st Innovative Applications of Artificial Intelligence Conference, IAAI 2019 and the 9th AAAI Symposium on Educational Advances in Artificial Intelligence, EAAI 2019},
  year = 2019,
}

@inproceedings{CTT100747670,
  author = {田村隆太 and 小林健 and 高野祐一 and 宮代隆平 and 中田和秀 and 松井知己},
  title = {多重共線性を除去するための最良部分集合選択},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100747672,
  author = {田村隆太 and 小林健 and 高野祐一 and 宮代隆平 and 中田和秀 and 松井知己},
  title = {分散拡大要因を考慮した変数選択問題とその混合整数二次計画法による定式化},
  booktitle = {},
  year = 2017,
}

@inproceedings{CTT100747682,
  author = {Ryuta Tamura and Ken Kobayashi and Yuichi Takano and Ryuhei Miyashiro and Kazuhide Nakata and Tomomi Matsui},
  title = {A mixed integer semidefinite programming approach for variable selection avoiding multicollinearity},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100773707,
  author = {山根智之 and 中田和秀 and 高野祐一 and 小林健 and 西村直樹 and 吉田佑輔 and 菅原光太郎},
  title = {時系列モデルによる商品販促効果の分析,},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100806113,
  author = {小林健 and 高野祐一 and 宮代隆平 and 中田和秀},
  title = {多重共線性を考慮した回帰式の変数選択問題に対する汎用解法},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100806114,
  author = {小林健 and 高野祐一 and 宮代隆平 and 中田和秀},
  title = {多重共線性を考慮した回帰式の変数選択―混合整数半正定値計画法を用いた解法―},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100773708,
  author = {小林健 and 高野祐一 and 宮代隆平 and 中田和秀},
  title = {多重共線性を考慮した回帰式の変数選択―混合整数半正定値計画法を用いた解法―},
  booktitle = {京都大学数理解析研究所講究録},
  year = 2014,
}

@inproceedings{CTT100806358,
  author = {小林健 and 中田和秀 and 田中研太郎 and 高野祐一 and 田中未来 and 鮏川矩義 and 神里栄 and 竹山光将 and 千代竜佑},
  title = {ファジィクラスタワイズ回帰を用いた共同購入型クーポンサイトの閲覧傾向分析},
  booktitle = {},
  year = 2013,
}

@misc{CTT100911155,
  author = {Haruka Kiyohara and Ren Kishimoto and Kosuke Kawakami and Ken Kobayashi and Kazuhide Nakata and Yuta Saito},
  title = {SCOPE-RL: A Python Library for Offline Reinforcement Learning and Off-Policy Evaluation},
  year = 2023,
}

@misc{CTT100866320,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  year = 2022,
}

@misc{CTT100866322,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  year = 2022,
}

@misc{CTT100894936,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  year = 2022,
}



@phdthesis{CTT100866320,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  school = {東京工業大学},
  year = 2022,
}

@phdthesis{CTT100866322,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  school = {東京工業大学},
  year = 2022,
}

@phdthesis{CTT100894936,
  author = {Ken Kobayashi},
  title = {Study on Cutting-plane Algorithms for Mixed-integer Semidefinite Optimization},
  school = {東京工業大学},
  year = 2022,
}