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Protecting Activity Sensing Data Privacy Using Hierarchical Information Dissociation
Guangjing Wang, Hanqing Guo, Yuanda Wang, Bocheng Chen, Ce Zhou, Qiben Yan CNS 2024 / pdf / code Hippo achieves fine-grained control over the disclosure of sensitive information by dissociating hierarchical information including private metadata and multi-grained activity information from the raw sensing data. Keywords: diffusion model, privacy-preserving data sharing, mobile sensing |
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Graph Learning for Interactive Threat Detection in Heterogeneous Smart Home Rule Data
Guangjing Wang, Nikolay Ivanov, Bocheng Chen, Qi Wang, ThanhVu Nguyen, Qiben Yan SIGMOD 2023 / pdf / code Glint is the first graph learning-based system for interactive threat detection in smart homes. Keywords: graph neural network, contrastive learning, smart home, security |
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FacER: Contrastive Attention based Expression Recognition via Smartphone Earpiece Speaker
Guangjing Wang, Qiben Yan, Shane Patrarungrong, Juexing Wang, Huacheng Zeng INFOCOM 2023 / pdf / code Facer is the first active acoustic facial expression recognition system on smartphone devices. Keywords: acoustic sensing, expression recognition, contrastive learning, domain adaptation |
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Federated IoT Interaction Vulnerability Analysis
Guangjing Wang, Hanqing Guo, Anran Li, Xiaorui Liu, Qiben Yan ICDE 2023 / pdf / code FexIoT is the federated graph learning-based system for explainable IoT interaction vulnerability analysis. Keywords: federated learning, security and privacy, explainability, IoT |