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Zhi Wang

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Nova GPU Workshop: vGPU + VFIO: status and 2026 plansLinux Plumbers Conference 20252025-12-11
Nova’s Rust-based GPU driver (Nova) already lands two RFCs published and plans a staged vGPU rollout: stage one adds PCI config/SRV cap reads into GSP init and…
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Your Smart Speaker Can “Hear” Your Heartbeat!UbiComp 20212021-09-21
A prototype uses commodity smart speakers and FMCW chirps plus microphone capture to extract submillimeter chest motion, cancels random system transmission…
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EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear WearablesUbiComp 20212021-09-21
A continuous, passive authentication system uses an in‑ear wearable’s built‑in speaker and microphone to emit inaudible beeps and record reflected signals…
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LiquidSense: Liquid Level Sensing Using Commodity WiFi in a Smart Home EnvironmentUbiComp 20212021-09-21
System uses commodity WiFi and a low-cost surface-mounted transducer to induce container resonance and detect liquid level from subtle CSI phase shifts…
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Winter is Coming BackBlack Hat Asia 20192019-03-26
Claims a reproducible exploit that defeats CAT-style physical isolation and gains root and kernel privileges by combining memory allocator grooming…
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Transcend: Detecting Concept Drift in Malware Classification Models26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Builds Transcend, a deployable conformal evaluator that computes nonconformity scores (distance-from-centroid or SVM margin) and per-class p-value thresholds…
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Adaptive Android Kernel Live Patching26th USENIX Security Symposium (USENIX Security '17)2017-08-16
Study of 1,139 Android kernels finds most vulnerable functions stable across devices and 76 recent critical CVEs amenable to input-filtering fixes. KARMA…
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