no code implementations • 21 Jul 2023 • Karan Chadha, Junye Chen, John Duchi, Vitaly Feldman, Hanieh Hashemi, Omid Javidbakht, Audra McMillan, Kunal Talwar
In this work, we study practical heuristics to improve the performance of prefix-tree based algorithms for differentially private heavy hitter detection.
no code implementations • 12 Dec 2022 • Hanieh Hashemi, Wenjie Xiong, Liu Ke, Kiwan Maeng, Murali Annavaram, G. Edward Suh, Hsien-Hsin S. Lee
This paper explores the private information that may be learned by tracking a recommendation model's sparse feature access patterns.
no code implementations • 30 Jun 2022 • Hanieh Hashemi, Yongqin Wang, Murali Annavaram
DarKnight relies on cooperative execution between trusted execution environments (TEE) and accelerators, where the TEE provides privacy and integrity verification, while accelerators perform the bulk of the linear algebraic computation to optimize the performance.
1 code implementation • 26 Dec 2021 • Tiantian Feng, Hanieh Hashemi, Rajat Hebbar, Murali Annavaram, Shrikanth S. Narayanan
To assess the information leakage of SER systems trained using FL, we propose an attribute inference attack framework that infers sensitive attribute information of the clients from shared gradients or model parameters, corresponding to the FedSGD and the FedAvg training algorithms, respectively.
no code implementations • 27 Jul 2021 • Tingting Tang, Ramy E. Ali, Hanieh Hashemi, Tynan Gangwani, Salman Avestimehr, Murali Annavaram
Much of the overhead in prior schemes comes from the fact that they tightly couple coding for all three problems into a single framework.
no code implementations • 5 May 2021 • Hanieh Hashemi, Yongqin Wang, Chuan Guo, Murali Annavaram
This learning setting presents, among others, two unique challenges: how to protect privacy of the clients' data during training, and how to ensure integrity of the trained model.
no code implementations • 1 May 2021 • Hanieh Hashemi, Yongqin Wang, Murali Annavaram
Privacy and security-related concerns are growing as machine learning reaches diverse application domains.