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Albert Cheu

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titleconferencedate
Toward Provably Private Insights into AI UsePEPR '262026-06-01
A system called Provably Private Insights combines trusted execution environments with a “data expert” LLM and differential privacy to ensure raw user data…
Talk on
Hardening Confidential Federated Computations against Side-Channel AttacksTrust in Decentralized Systems 20262026-03-16
Identifies two concrete side channels against confidential federated analytics running on AMD SEV‑SNP VMs: host-observable page faults from dynamic hash tables…
Talk on
Necessary Conditions in Multi-Server Differential PrivacyITCS 20232023-01-10
Shows that the non-interactive multi-server differential privacy model cannot learn parity with polynomial samples against an unbounded adversary when up to…
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