4 papers · 1 filter
HeteroSample: Meta-path Guided Sampling for Heterogeneous Graph Representation Learning
Ao Liu, Jing Chen, Ruiying Du +4
The rapid expansion of Internet of Things (IoT) has resulted in vast, heterogeneous graphs that capture complex interactions among devices, sensors, and systems. Efficient analysis…
DynaShard: Secure and Adaptive Blockchain Sharding Protocol with Hybrid Consensus and Dynamic Shard Management
Ao Liu, Jing Chen, Kun He +6
Blockchain sharding has emerged as a promising solution to the scalability challenges in traditional blockchain systems by partitioning the network into smaller, manageable subsets…
SCR-Auth: Secure Call Receiver Authentication on Smartphones Using Outer Ear Echoes
Xiping Sun, Jing Chen, Kun He +5
Receiving calls is one of the most universal functions of smartphones, involving sensitive information and critical operations. Unfortunately, to prioritize convenience, the curren…
MagLive: Robust Voice Liveness Detection on Smartphones Using Magnetic Pattern Changes
Xiping Sun, Jing Chen, Cong Wu +5
Voice authentication has been widely used on smartphones. However, it remains vulnerable to spoofing attacks, where the attacker replays recorded voice samples from authentic human…