Guangjing Wang Assistant Professor @ USF
Guangjing Wang
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

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

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

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