Jing Chen

Checks and balances: A tripartite public key infrastructure for secure web-based connections

2017

Recent real-world attacks against Certification Authorities (CAs) and fraudulently issued certificates arouse the public to rethink the security of public key infrastructure for web-based connections. To distribute the trust of CAs, notaries, as an independent …

Efficient Rational Proofs with Strong Utility-Gap Guarantees

2018 · arXiv (Cornell University)

As modern computing moves towards smaller devices and powerful cloud platforms, more and more computation is being delegated to powerful service providers. Interactive proofs are a widely-used model to design efficient protocols for verifiable computation …

Personalized exercise recommendation via implicit skills

2019 · Proceedings of the ACM Turing Celebration Conference - China

Cognitive diagnosis methods need to assess the students' skills to provide personalized exercise recommendation. To perform this assessment, an initially hand built Q-matrix are presented to students, which would affect the recommendation results in intelligence …

A Hybrid Cloud Testing System Based on Virtual Machines and Networks

2020 · KSII Transactions on Internet and Information Systems

Traditional software testing typically uses many physical resources to manually build various test environments, resulting in high resource costs and long test time due to limited resources, especially for small enterprises. Cloud computing can provide …

Gated Semantic Difference Based Sentence Semantic Equivalence Identification

2020 · IEEE/ACM Transactions on Audio Speech and Language Processing

This article proposes a novel sentence semantic equivalence identification (SSEI) method by using the semantic difference features between sentences. The lexical differences of a sentence pair are first extracted, and the bidirectional long short term …

Surveillant: a supervision mechanism between blockchains for efficient cross-chain verification

2022 · KSII Transactions on Internet and Information Systems

Blockchain interoperability, which refers in particular to the ability to access information across blockchain systems, plays the key role for different blockchains to communicate with each other, and further supports the superstructure built on top …

Research on Basic Clinical Treatment Pattern Mining Based on Electronic Medical Record Big Data

2023

This paper analyzed the basic clinical treatment pattern by exploring the relationship between diseases, symptoms and drugs, which help non-medical people understand the basic clinical treatment pattern, so as to better carry out medical and …

Efficient Task Scheduling for Federated Learning-Driven Image Recognition in Cloud-Edge Collaborative Environments

2023

Cloud-edge collaboration and artificial intelligence integration have advanced federated learning image recognition model training. However, in cloud-edge collaborative federated learning, imbalanced sample data often leads to low global model aggregation accuracy. To address this, a …

A Novel Nomogram Integrated with Systemic Inflammation Markers and Traditional Prognostic Factors for Adverse Events’ Prediction in Patients with Chronic Heart Failure in the Southwest of China

2022 · DOAJ (DOAJ: Directory of Open Access Journals)

Zhaojun Liu,1,* Ren Zhang,1,* Yingjie Xv,2 Jinkui Wang,3 Jie Chen,1 Xiaoli Zhou1 1Department of Cardiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, People’s Republic of China; 2Department of Urology, First Affiliated Hospital of Chongqing …

English Assisted Teaching System Based Stacked Convolutional Neural Network and Bidirectional Long Short-term Memory

2024

English assisted teaching system are widely used around world and plays an essential role in global communication. However, English learning is a difficult, long process for English assisted teaching system inevitably make various unwanted sentence …

HeteroSample: Meta-Path Guided Sampling for Heterogeneous Graph Representation Learning

2024 · IEEE Internet of Things Journal

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 of these graphs is critical for deriving insights in IoT …

FedFLD: Heterogeneous Federated Learning via Forget-Less Distillation

2025

Federated learning, as a distributed machine learning paradigm, enhances privacy protection but faces the challenge of heterogeneity. Data-free knowledge distillation (DFKD) methods attempt to overcome this challenge by using a generator to synthesize samples for …

HT-Auth: Secure VR Headset Authentication via Subtle Head Tremors

2025 · Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

While Virtual Reality (VR) applications have gained popularity in recent years, efficiently identifying users on VR devices remains challenging. Current solutions, such as passwords and digital PINs, relying on handheld controllers or in-air hand gestures, …

MagLive: Robust Voice Liveness Detection on Smartphones Using Magnetic Pattern Changes

2026 · IEEE Transactions on Information Forensics and Security

Voice authentication has been widely used on smartphones. However, it remains vulnerable to spoofing attacks, where the attacker replays recorded voice samples from authentic humans using loudspeakers to bypass the voice authentication system. In this …

LCQMC:A Large-scale Chinese Question Matching Corpus

2018 · International Conference on Computational Linguistics

The lack of large-scale question matching corpora greatly limits the development of matching methods in question answering (QA) system, especially for non-English languages. To ameliorate this situation, in this paper, we introduce a large-scale Chinese …