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Guangdong Bai

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titleconferencedate
Convex Hull Approximation for Activation FunctionsOOPSLA 20252025-10-16
WraAct constructs tight polyhedral over-approximations of activation convex hulls by introducing linear constraints that smooth activations into…
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ReLU Hull ApproximationPOPL 20242024-01-14
Proposes WraLU, a fast algorithm that builds a convex polytope wrapping the ReLU hull by reusing the two linear pieces as lower faces and constructs upper…
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Revisiting Stealthy Sensitive Information Collection from Android AppsBlack Hat Asia 20232023-05-09
This work claims modern Android privacy controls miss many channels and builds a low-level detector that uses hooking String constructors and ART runtime hooks…
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Hey, You, Get off My Private Data: Do Apps Respect Your Privacy as They Claim?Black Hat Asia 20212021-05-04
Framework that auto-audits Android apps for real data flows and regulatory gaps, with four tools: domain reputation checks, an API scanner, network-traffic…
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D2T2 - A New Fuzzing Method for AndroidHack In The Box Amsterdam 20182018-04-09
A new Android fuzzer generates combinations of function points (read/write/open/etc.) and repeatedly invokes targeted functions to force quantitative change to…
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Authenticator Leakage Through Backup Channels on AndroidBlack Hat Europe 20152015-11-10
Finds that Android apps store session tokens and cookies in app internal storage and common backup tools leak those authenticators through ADB- and…
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