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Yuan Tian

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titleconferencedate
ReSpark: Leveraging Previous Data Reports as References to Generate New Reports with LLMsUIST 20252025-09-28
ReSpark uses LLMs to reverse-engineer hidden analysis workflows from past reports, modeling each report as a sequence of analysis segments (objective →…
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Waltzz: WebAssembly Runtime Fuzzing with Stack-Invariant TransformationUSENIX Security '252025-08-13
Waltzz implements a stack-invariant transformation so mutations preserve Wasm stack types, plus control-flow and data-flow mutators, a splicing mutator, and a…
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Towards Usable Security Analysis Tools for Trigger-Action ProgrammingSOUPS 20232023-08-06
Study evaluates usable security techniques for trigger-action programming by testing 447 Prolific users on writing declarative policies vs anti-patterns using…
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VerHealth: Vetting Medical Voice Applications through Policy EnforcementUbiComp 20212021-09-21
A tool called VerHealth builds a static analyzer plus a dynamic, ML-driven tester (rule-based checks and a CNN for disclaimers) that performs multiple-round…
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Using Sonar for Liveness Detection to Protect Smart Speakers against Remote AttackersUbiComp / ISWC 20202020-09-12
A sonar-based liveness detector emits an inaudible wide-band ultrasonic pulse and analyzes Doppler shifts from reflections using a Raspberry Pi 3B with a…
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SmartAuth: User-Centered Authorization for the Internet of Things26th USENIX Security Symposium (USENIX Security '17)2017-08-16
System automatically extracts device context and code behaviors with program analysis and app text with natural language processing, then matches them to flag…
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1000 Ways to Die in Mobile OauthBlack Hat USA 20162016-08-03
Field study of 600 popular mobile apps finds 149 using OAuth and 59.7% vulnerable; bugs include embedded client secrets, redirect‑URI hijacks, missing consent…
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