publications

2026

1. IEEE S&P 2026

   Auditing Apple’s DifferentialPrivacy.framework: Implementation Bugs, Misconfigurations, and Practical Risks

   Rishav Chourasia, Ergute Bao, Uzair Javaid, and Xiaokui Xiao

   In 2026 IEEE Symposium on Security and Privacy (SP), 2026

   Distinguished Paper Award

   arXiv HTML DOI Bib

   @inproceedings{chourasia2026auditing,
     title = {Auditing Apple's DifferentialPrivacy.framework: Implementation Bugs, Misconfigurations, and Practical Risks},
     author = {Chourasia, Rishav and Bao, Ergute and Javaid, Uzair and Xiao, Xiaokui},
     booktitle = {2026 IEEE Symposium on Security and Privacy (SP)},
     year = {2026},
     pages = {1815--1834},
     publisher = {IEEE},
     doi = {10.1109/SP63933.2026.00225},
   }

2025

1. FMSD 2025

   One-Run Privacy Auditing for Structured Generative and Foundation Models

   Rishav Chourasia, Zilong Zhao, and Uzair Javaid

   In 1st Workshop on Foundation Models for Structured Data (FMSD), ICML, 2025

   PDF HTML Bib Blog

   @inproceedings{chourasiaone,
     title = {One-Run Privacy Auditing for Structured Generative and Foundation Models},
     author = {Chourasia, Rishav and Zhao, Zilong and Javaid, Uzair},
     booktitle = {1st Workshop on Foundation Models for Structured Data (FMSD), ICML},
     year = {2025},
   }

2. FORC25, PPAI25

   Laplace Transform Interpretation of Differential Privacy

   Rishav Chourasia, Uzair Javaid, and Biplab Sikdar

   In Proceedings of the 6th Symposium on Foundations of Responsible Computing (FORC), LIPIcs Vol. 329, 2025

   arXiv HTML DOI Bib

   @article{chourasia2024laplace,
     abbr2 = {& TPDP25},
     abbr3 = {(oral)},
     title = {Laplace Transform Interpretation of Differential Privacy},
     author = {Chourasia, Rishav and Javaid, Uzair and Sikdar, Biplab},
     journal = {In Proceedings of the 6th Symposium on Foundations of Responsible Computing (FORC), LIPIcs Vol. 329},
     pages = {11:1--11:23},
     publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f\"ur Informatik},
     doi = {10.4230/LIPIcs.FORC.2025.11},
     year = {2025}
   }

2024

1. Ph.D. Thesis

   Learning and Unlearning with Noisy Gradient Descent

   Rishav Chourasia

   School of Computing, National University of Singapore, 2024

   PDF Bib

   @thesis{chourasia2024,
     title = {Learning and Unlearning with Noisy Gradient Descent},
     school = {School of Computing, National University of Singapore},
     author = {Chourasia, Rishav},
     year = {2024}
   }

2023

1. ICML 2023

   Forget Unlearning: Towards True Data-Deletion in Machine Learning

   Rishav Chourasia and Neil Shah

   In Proceedings of the 40th International Conference on Machine Learning, 2023

   arXiv HTML Bib

   @inproceedings{pmlr-v163-chourasia23forget,
     abbr2 = {& FORC 2023},
     title = {Forget Unlearning: Towards True Data-Deletion in Machine Learning},
     author = {Chourasia, Rishav and Shah, Neil},
     booktitle = {Proceedings of the 40th International Conference on Machine Learning},
     year = {2023},
     volume = {202},
     pages = {6028--6073},
     series = {Proceedings of Machine Learning Research},
     publisher = {PMLR},
   }

2022

1. PETS 2022

   Knowledge Cross-Distillation for Membership Privacy

   Rishav Chourasia, Batnyam Enkhtaivan, Kunihiro Ito, Junki Mori, Isamu Teranishi, and Hikaru Tsuchida

   Proceedings on Privacy Enhancing Technologies (PoPETs), 2022

   arXiv HTML DOI Bib

   @article{chourasia2021knowledge,
     title = {Knowledge Cross-Distillation for Membership Privacy},
     author = {Chourasia, Rishav and Enkhtaivan, Batnyam and Ito, Kunihiro and Mori, Junki and Teranishi, Isamu and Tsuchida, Hikaru},
     journal = {Proceedings on Privacy Enhancing Technologies (PoPETs)},
     volume = {2022},
     number = {2},
     pages = {362--377},
     year = {2022},
     doi = {10.2478/popets-2022-0050},
   }

2021

1. NeurIPS 2021

   Differential Privacy Dynamics of Langevin Diffusion and Noisy Gradient Descent

   Rishav Chourasia, Jiayuan Ye, and Reza Shokri

   In Advances in Neural Information Processing Systems, 2021

   Spotlight

   arXiv HTML Bib

   @inproceedings{NIPS2021_7c6c1a7b,
     author = {Chourasia, Rishav and Ye, Jiayuan and Shokri, Reza},
     booktitle = {Advances in Neural Information Processing Systems},
     editor = {Ranzato, M. and Beygelzimer, A. and Dauphin, Y. and Liang, P.S. and Vaughan, J. Wortman},
     pages = {14771--14781},
     publisher = {Curran Associates, Inc.},
     title = {Differential Privacy Dynamics of Langevin Diffusion and Noisy Gradient Descent},
     volume = {34},
     year = {2021},
   }

2019

1. arXiv

   Unifying Ensemble Methods for Q-learning via Social Choice Theory

   Rishav Chourasia and Adish Singla

   Learning with Rich Experience (LIRE) Workshop, NeurIPS, 2019

   arXiv Bib

   @article{chourasia2019unifying,
     title = {Unifying Ensemble Methods for Q-learning via Social Choice Theory},
     author = {Chourasia, Rishav and Singla, Adish},
     journal = {Learning with Rich Experience (LIRE) Workshop, NeurIPS},
     year = {2019}
   }

2018

1. Bachelor Thesis

   Optimal Swarm RL: An Improved Deep Exploration Strategy

   Rishav Chourasia

   Indian Institute of Technology, Guwahati, 2018

   PDF Bib

   @thesis{chourasia2018,
     title = {Optimal Swarm RL: An Improved Deep Exploration Strategy},
     school = {Indian Institute of Technology, Guwahati},
     author = {Chourasia, Rishav},
     year = {2018}
   }

2017

1. FUZZ-IEEE 2017

   Type reduction techniques for two-dimensional interval type-2 fuzzy sets

   Vaibhav Saxena, Nikhil Yadala, Rishav Chourasia, and Frank Chung-Hoon Rhee

   In 2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), 2017

   PDF HTML DOI Bib

   @inproceedings{saxena2017type,
     title = {Type reduction techniques for two-dimensional interval type-2 fuzzy sets},
     author = {Saxena, Vaibhav and Yadala, Nikhil and Chourasia, Rishav and Rhee, Frank Chung-Hoon},
     booktitle = {2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)},
     pages = {1--6},
     year = {2017},
     organization = {IEEE},
     doi = {10.1109/FUZZ-IEEE.2017.8015724},
   }

2. IFSA-SCIS 2017

   Visualization of two-dimensional interval type-2 fuzzy membership functions using general type-2 fuzzy membership functions

   Rishav Chourasia, Vaibhav Saxena, Nikhil Yadala, and Frank Chung-Hoon Rhee

   In 2017 Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems (IFSA-SCIS), 2017

   PDF HTML DOI Bib

   @inproceedings{chourasia2017visualization,
     title = {Visualization of two-dimensional interval type-2 fuzzy membership functions using general type-2 fuzzy membership functions},
     author = {Chourasia, Rishav and Saxena, Vaibhav and Yadala, Nikhil and Rhee, Frank Chung-Hoon},
     booktitle = {2017 Joint 17th World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems (IFSA-SCIS)},
     pages = {1--5},
     year = {2017},
     organization = {IEEE},
     doi = {10.1109/IFSA-SCIS.2017.8023274},
   }