Junpei Komiyama

1. Optimal Regret Analysis of Thompson Sampling in Stochastic Multi-armed\n Bandit Problem with Multiple Plays
   2015/06/02 by Junpei Komiyama, Junya Honda, Komiyama, Junpei +3 · 10 citations
   Decision Sciences · Computer Science · #Advanced Bandit Algorithms Research #Machine Learning and Algorithms #Optimization and Search Problems
2. Regret Lower Bound and Optimal Algorithm in Dueling Bandit Problem
   2015/06/08 by Junpei Komiyama, Junya Honda, Komiyama, Junpei +5 · 6 citations
   Computer Science · Decision Sciences · #Advanced Bandit Algorithms Research #Auction Theory and Applications #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Optimization and Search Problems
3. High-dimensional Contextual Bandit Problem without Sparsity
   2023/06/19 by Junpei Komiyama, Komiyama, Junpei, Masaaki Imaizumi +1 · 2 citations
   Computer Science · Decision Sciences · #Advanced Bandit Algorithms Research #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and Algorithms #Machine Learning and Data Classification
4. Regret Lower Bound and Optimal Algorithm in Finite Stochastic Partial Monitoring
   2015/09/30 by Junpei Komiyama, Komiyama, Junpei, Junya Honda +3 · 1 citation
   Computer Science · Decision Sciences · #Advanced Bandit Algorithms Research #Data Stream Mining Techniques #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and Algorithms
5. Best-of-∞ -- Asymptotic Performance of Test-Time LLM Ensembling
   2025/09/25 by Junpei Komiyama, Daisuke Oba, Komiyama, Junpei +3 · 1 voice
   Computer Science · Mathematics · #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML) #cs.AI #cs.LG #stat.ML
6. A Simple Way to Deal with Cherry-picking
   2018/10/11 by Junpei Komiyama, Takanori Maehara, Komiyama, Junpei +1 · 1 citation
   Decision Sciences · Mathematics · #Advanced Bandit Algorithms Research #Benford’s Law and Fraud Detection #Advanced Causal Inference Techniques