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Yang Wang

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  • SOUPS4 editions2020–2025

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PIMS: Fleet-Wide Datacenter Maintenance with Minimal Capacity Buffer and Predictable Lat…20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26)2026-07-13
PIMS is a production system running five years across millions of servers and tens of thousands of services that enforces a one-domain regional contract (at…
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Youth-Centered GAI Risks (YAIR): A Taxonomy of Generative AI Risks from Empirical DataSOUPS 20252025-08-10
Built from 344 youth–GAI chat logs, 30,305 Reddit discussions, and 153 AI incident reports, the taxonomy enumerates 84 specific risks across six categories and…
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PipeThreader: Software-Defined Pipelining for Efficient DNN ExecutionOSDI '252025-07-07
A compiler shifts pipeline scheduling from hardware to software, exposing tile-level tasks and heterogeneous units to generate efficient DNN pipelines. It…
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Revealing Floating-Point Accumulation Orders in Software/Hardware ImplementationsUSENIX ATC '252025-07-07
A diagnostic tool called FPRev nonintrusively infers the actual floating point accumulation tree by feeding specially crafted inputs that exploit precision…
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ServiceLab: Preventing Tiny Performance Regressions at Hyperscale through...18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
ServiceLab is a pre-production A/B performance platform that replays sampled RPCs across on-demand heterogeneous machines to catch tiny regressions before…
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MAST: Global Scheduling of ML Training across Geo-Distributed Datacenters at Hyperscale18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
MAST is a global scheduler that automatically places ML input tables and training across Meta regions, modeling table placement as a mixed-integer optimization…
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SuperBench: Improving Cloud AI Infrastructure Reliability with Proactive ValidationUSENIX ATC 20242024-07-10
SuperBench is a proactive validation system that runs a comprehensive benchmark suite (end‑to‑end and microbenchmarks), uses a Validator that learns benchmark…
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IsoPredict: Dynamic Predictive Analysis for Detecting Unserializable Behaviors in Weakly(…)PLDI 20242024-06-24
IsoPredict takes an observed serializable run, emits SMT constraints that encode weak isolation (causal/read‑committed), and searches for a feasible…
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GuardLens: Supporting Safer Online Browsing for People with Visual ImpairmentsSOUPS 20232023-08-06
A browser extension called GuardLens extracts and lists privacy/security cues for people with visual impairments, built through an iterative user-centered…
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Iterative Design of An Accessible Crypto Wallet for Blind UsersSOUPS 20232023-08-06
Study analyzes MetaMask accessibility then prototypes an inclusive wallet and tests it with 44 novices (23 blind, 20 sighted, 1 low vision). Finds unlabeled…
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ImageAlly: A Human-AI Hybrid Approach to Support Blind People in Detecting...SOUPS 20232023-08-06
ImageAlly is a tablet/phone app that uses a human-AI hybrid pipeline: an automated computer-vision screener flags potential private content, then users…
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Conveyor: One-Tool-Fits-All Continuous Software DeploymentOSDI 20232023-07-10
Conveyor runs one deployment system across 30,000+ pipelines and ~400,000 deployments per week to millions of hosts, raising fully automated adoption from 12%…
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Who Am I? A Design Probe Exploring Real-Time Transparency About Online and Offline User ...UbiComp 20212021-09-21
A system surfaces the incremental construction of ad-targeting profiles in real time using a browser extension and a mobile app and runs a two‑week field…
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"How I Know For Sure": People's Perspectives on Solely Automated Decision-Making (SADM)SOUPS 20212021-08-08
Online survey with 392 participants (192 US, 200 UK) finds widespread misunderstandings of GDPR SADM rights, including beliefs they can opt out or choose a…
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WebAlly: Making Visual Task-based CAPTCHAs Transferable for People with VisualSOUPS 20212021-08-08
WebAlly is a prototype that lets people with visual impairments transfer task-based visual CAPTCHAs to a remote helper via an interactive screenshot limited…
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On the Feasibility of Parser-based Log Compression in Large-Scale Cloud SystemsFAST '212021-02-23
LogReducer is a C++ reimplementation of parser-based log compression that targets numerical fields and fixes logzip bottlenecks, using delta timestamps…
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Attacking and Defending Machine Learning Applications of Public CloudBlack Hat Asia 20202020-09-29
Claim: a two-step black‑box attack builds a tiny labeled set (≈200 images, ≤2 queries/image) and trains a substitution model to produce transferable…
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RISC: Resource-Constrained Urban Sensing Task Scheduling Based on Commercial FleetsUbiComp / ISWC 20202020-09-12
RISC implements an MDP-based scheduling system that predicts vehicle locations, builds a vehicle–region graph, and casts each time slot as a set-cover…
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Do Privacy and Security Matter to Everyone? Quantifying and Clustering User-CentricSOUPS 20202020-08-10
Online survey of 631 US participants quantifies what motivates and blocks smart‑home purchases: top motivators are convenience, ease of use, price/cost savings…
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Integrate Flink with Kubernetes nativelyFlink Forward Virtual 20202020-04-22
Flink embeds a KubernetesResourceManager that calls the Kubernetes API to create and release TaskManager pods on demand, supports both per-job and session…
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PostMan: Rapidly Mitigating Bursty Traffic by Offloading Packet ProcessingUSENIX ATC '192019-07-10
System offloads CPU-heavy per-packet work to on-demand middleboxes called helpers that assemble small packets into large ones, replace TCP/IP headers with a…
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Dayu: Fast and Low-interference Data Recovery in Very-large Storage SystemsUSENIX ATC '192019-07-10
Paper builds a centralized timeslot-based scheduler that only schedules tasks likely to finish in the slot, combines a greedy source/destination picker with…
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Robustness in the Salus Scalable Block StoreNSDI 20132013-04-02
Salus implements pipeline commit to serialize commit phases while preparing writes in parallel, and an active storage replication that replaces stateless…
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