Exploiting sparsity in primal-dual interior-point methods for semidefinite programming. - Katsuki Fujisawa; Masakazu Kojima; Kazuhide Nakata (Math. Program., 1997)

Exploiting Sparsity in Semidefinite Programming via Matrix Completion I: General Framework. - Mituhiro Fukuda; Masakazu Kojima; Kazuo Murota; Kazuhide Nakata (SIAM J. Optim., 2001)

Exploiting sparsity in semidefinite programming via matrix completion II: implementation and numerical results. - Kazuhide Nakata; Katsuki Fujisawa; Mituhiro Fukuda (Math. Program., 2003)

Preprocessing sparse semidefinite programs via matrix completion. - Katsuki Fujisawa; Mituhiro Fukuda; Kazuhide Nakata (Optim. Methods Softw., 2006)

A parallel primal-dual interior-point method for semidefinite programs using positive definite matrix completion. - Kazuhide Nakata; Makoto Yamashita; Katsuki Fujisawa; Masakazu Kojima (Parallel Comput., 2006)

A conversion of an SDP having free variables into the standard form SDP. - Kazuhiro Kobayashi; Kazuhide Nakata; Masakazu Kojima (Comput. Optim. Appl., 2007)

Algorithm 925: Parallel Solver for Semidefinite Programming Problem having Sparse Schur Complement Matrix. - Makoto Yamashita; Katsuki Fujisawa; Mituhiro Fukuda; Kazuhide Nakata; Maho Nakata (ACM Trans. Math. Softw., 2012)

Positive definite matrix approximation with condition number constraint. - Mirai Tanaka; Kazuhide Nakata (Optim. Lett., 2014)

Successive Projection Method for Well-Conditioned Matrix Approximation Problems. - Mirai Tanaka; Kazuhide Nakata (IEEE Signal Process. Lett., 2014)

Fast implementation for semidefinite programs with positive matrix completion. - Makoto Yamashita; Kazuhide Nakata (Optim. Methods Softw., 2015)

Solving the patient appointment scheduling problem in outpatient chemotherapy clinics using clustering and mathematical programming. - Mahmoud Heshmat; Kazuhide Nakata; Amr B. Eltawil (Comput. Ind. Eng., 2018)

Doubly Robust Prediction and Evaluation Methods Improve Uplift Modeling for Observational Data. - Yuta Saito; Hayato Sakata; Kazuhide Nakata (SDM, 2019)

Relevance Matrix Factorization. - Yuta Saito; Suguru Yaginuma; Yuta Nishino; Hayato Sakata; Kazuhide Nakata (CoRR, 2019)

Mixed integer quadratic optimization formulations for eliminating multicollinearity based on variance inflation factor. - Ryuta Tamura; Ken Kobayashi; Yuichi Takano; Ryuhei Miyashiro; Kazuhide Nakata; Tomomi Matsui (J. Glob. Optim., 2019)

A hybrid evolutionary-simplex search method to solve nonlinear constrained optimization problems. - Alyaa Abdelhalim; Kazuhide Nakata; Mahmoud El-Alem; Amr B. Eltawil (Soft Comput., 2019)

Cost-Effective and Stable Policy Optimization Algorithm for Uplift Modeling with Multiple Treatments. - Yuta Saito; Hayato Sakata; Kazuhide Nakata (SDM, 2020)

Unbiased Recommender Learning from Missing-Not-At-Random Implicit Feedback. - Yuta Saito; Suguru Yaginuma; Yuta Nishino; Hayato Sakata; Kazuhide Nakata (WSDM, 2020)

Technical Progress Analysis Using a Dynamic Topic Model for Technical Terms to Revise Patent Classification Codes. - Mana Iwata; Yoshiro Matsuda; Yoshimasa Utsumi; Yoshitoshi Tanaka; Kazuhide Nakata (CoRR, 2020)

Confident Collaborative Metric Learning. - Ryo Matsui; Taketo Naito; Suguru Yaginuma; Kazuhide Nakata (ICDM (Workshops), 2021)

Generating Search Text Ads from Keywords and Landing Pages via BERT2BERT. - Kota Ishizuka; Kai Kurogi; Kosuke Kawakami; Daishi Iwai; Kazuhide Nakata (JSAI, 2021)

Constrained Generalized Additive 2 Model with Consideration of High-Order Interactions. - Akihisa Watanabe; Michiya Kuramata; Kaito Majima; Haruka Kiyohara; Kensho Kondo; Kazuhide Nakata (CoRR, 2021)

Online Trading Models in the Forex Market Considering Transaction Costs. - Koya Ishikawa; Kazuhide Nakata (CoRR, 2021)

Solving Large Break Minimization Problems in a Mirrored Double Round-robin Tournament Using Quantum Annealing. - Michiya Kuramata; Ryota Katsuki; Kazuhide Nakata (CoRR, 2021)

Seasonal Inventory Management Model for Raw Materials in Steel Industry. - Kosuke Kawakami; Hirokazu Kobayashi; Kazuhide Nakata (INFORMS J. Appl. Anal., 2021)

Bilevel cutting-plane algorithm for cardinality-constrained mean-CVaR portfolio optimization. - Ken Kobayashi; Yuichi Takano; Kazuhide Nakata (J. Glob. Optim., 2021)

Predicting response probability by embedding questions in online question recommendation. - Yuki Hoshino; Makoto Tasaki; Kota Ishizuka; Motoya Azami; Keisuke Mizutani; Kazuhide Nakata (WI/IAT, 2022)

A deep bi-directional long-short term memory neural network-based methodology to enhance short-term electricity load forecasting for residential applications. - Sara Atef; Kazuhide Nakata; Amr B. Eltawil (Comput. Ind. Eng., 2022)

A block coordinate descent method for sensor network localization. - Mitsuhiro Nishijima; Kazuhide Nakata (Optim. Lett., 2022)

Noise-Robust Sampling for Collaborative Metric Learning. - Ryo Matsui; Suguru Yaginuma; Taketo Naito; Kazuhide Nakata (Rev. Socionetwork Strateg., 2022)

Temporal Positive Collective Matrix Factorization for Interpretable Trend Analysis in Recommender Systems. - Tomofumi Hara; Yuki Sumiya; Kazuhide Nakata (ICDM (Workshops), 2023)

Decision Tree Clustering for Time Series Data: An Approach for Enhanced Interpretability and Efficiency. - Masaki Higashi; Minje Sung; Daiki Yamane; Kenta Inamuro; Shota Nagai; Ken Kobayashi; Kazuhide Nakata (PRICAI (2), 2023)

An IPW-based Unbiased Ranking Metric in Two-sided Markets. - Keisho Oh; Naoki Nishimura; Minje Sung; Ken Kobayashi; Kazuhide Nakata (CoRR, 2023)

SCOPE-RL: A Python Library for Offline Reinforcement Learning and Off-Policy Evaluation. - Haruka Kiyohara; Ren Kishimoto; Kosuke Kawakami; Ken Kobayashi; Kazuhide Nakata; Yuta Saito (CoRR, 2023)

Cardinality-constrained distributionally robust portfolio optimization. - Ken Kobayashi; Yuichi Takano; Kazuhide Nakata (Eur. J. Oper. Res., 2023)

Zero-shot Demand Forecasting for Products with Limited Sales Periods. - Shota Nagai; Ryota Inaba; Rei Oishi; Shuhei Aikawa; Yusuke Mibuchi; Hinata Moriyama; Ken Kobayashi; Kazuhide Nakata (IEEE Big Data, 2024)

Zero-Inflated Poisson Tensor Factorization for Sparse Purchase Data in E-Commerce Markets. - Keisuke Mizutani; Ayaka Ueta; Ryota Ueda; Ray Oishi; Tomofumi Hara; Yuki Hoshino; Ken Kobayashi; Kazuhide Nakata (ICIEA-EU, 2024)

Towards Assessing and Benchmarking Risk-Return Tradeoff of Off-Policy Evaluation. - Haruka Kiyohara; Ren Kishimoto; Kosuke Kawakami; Ken Kobayashi; Kazuhide Nakata; Yuta Saito (ICLR, 2024)

Balancing Immediate Revenue and Future Off-Policy Evaluation in Coupon Allocation. - Naoki Nishimura; Ken Kobayashi; Kazuhide Nakata (PRICAI (4), 2024)

Distribution-Aligned Sequential Counterfactual Explanation with Local Outlier Factor. - Shoki Yamao; Ken Kobayashi; Kentaro Kanamori; Takuya Takagi; Yuichi Ike; Kazuhide Nakata (PRICAI (1), 2024)

Approximation hierarchies for copositive cone over symmetric cone and their comparison. - Mitsuhiro Nishijima; Kazuhide Nakata (J. Glob. Optim., 2024)

Keyword-Level Bayesian Online Bid Optimization for Sponsored Search Advertising. - Kaito Majima; Kosuke Kawakami; Kota Ishizuka; Kazuhide Nakata (Oper. Res. Forum, 2024)

Trend Analysis with Interpretability and Cold-Start Problems for Recommender Systems. - Tomofumi Hara; Yuki Sumiya; Kazuhide Nakata (Rev. Socionetwork Strateg., 2024)

Online Joint Optimization of Sponsored Search Ad Bid Amounts and Product Prices on e-Commerce. - Shoichiro Koguchi; Kazuhide Nakata; Ken Kobayashi; Kosuke Kawakami; Takenori Nakajima; Kevin Kratzer (ICORES, 2025)

Interior-Point Vanishing Problem in Semidefinite Relaxations for Neural Network Verification. - Ryota Ueda; Takami Sato; Ken Kobayashi; Kazuhide Nakata (CoRR, 2025)