Hirotaka Hachiya

Tokyo Institute of Technology, University of Edinburgh, Wakayama University

Papers

14

Total Citations

266

H-Index

8

About

No biography available yet.

Research Focus

Computer science13 · 264 citations
Mathematics13 · 260 citations
Artificial intelligence12 · 220 citations
Statistics5 · 147 citations
Algorithm6 · 142 citations
Econometrics3 · 134 citations
Reinforcement learning8 · 131 citations
Regression4 · 131 citations
Mathematical optimization8 · 127 citations
Machine learning6 · 125 citations
Estimator3 · 123 citations
Autoregressive conditional heteroskedasticity2 · 107 citations

Key Achievements

8
H-Index
14
Papers
266
Total Citations
19
Avg Citations/Paper
🏆 Most Cited Paper
Least-Squares Conditional Density Estimation
63 citations · 2010
📈 Most Prolific Year: 2010 (4 Papers)
🤝 Key Collaborators: 20
🏛 Institutions: Tokyo Institute of Technology, University of Edinburgh, Wakayama University

Top Papers

  1. 1
    Least-Squares Conditional Density Estimation
    63 citations · 2010
  2. 2
    Conditional Density Estimation via Least-Squares Density Ratio Estimation
    44 citations · 2010
  3. 3
    Geodesic Gaussian kernels for value function approximation
    36 citations · 2008
  4. 4
    Efficient Sample Reuse in Policy Gradients with Parameter-Based Exploration
    27 citations · 2013
  5. 5
    Efficient exploration through active learning for value function approximation in reinforcement learning
    20 citations · 2010
  6. 6
    Reward-Weighted Regression with Sample Reuse for Direct Policy Search in Reinforcement Learning
    19 citations · 2011
  7. 7
    Efficient Sample Reuse in EM-Based Policy Search
    16 citations · 2009
  8. 8
    Value Function Approximation on Non-Linear Manifolds for Robot Motor Control
    15 citations · 2007
  9. 9
    Laser Variational Autoencoder for Map Construction and Self-Localization
    6 citations · 2018
  10. 10
    Least absolute policy iteration for robust value function approximation
    6 citations · 2009

Key Collaborators

MSMasashi Sugiyama11 shared papersSVSethu Vijayakumar2 shared papersTSTaiji Suzuki2 shared papersTKTakafumi Kanamori2 shared papersJPJan Peters2 shared papersCTChristopher Towell2 shared papersHKHisashi Kashima2 shared papersTATakayuki Akiyama2 shared papersTMTetsuro Morimura2 shared papersTNTakayuki Nakamura2 shared papersITIchiro Takeuchi2 shared papersDODaisuke Okanohara2 shared papersYSYuki Saito1 shared papersSWShohei Wakita1 shared papersTZTingting Zhao1 shared papersVTVoot Tangkaratt1 shared papersMNMasaya Nomura1 shared papersJMJun Morimoto1 shared papersKIKazuma Iteya1 shared papersYYYuto Yoshimura1 shared papers
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