Di Liu

A Method for Anomaly Traffic Detection in Power Wireless Access Networks Based on an Improved Transformer Model

Mengjie Yang, Di Liu, Jian Xu, Yanru Wang et autres

With the increasing intelligence of power systems, the security of power wireless access networks has become a critical issue. To address the challenges of anomaly traffic detection, this paper proposes an improved Transformer-based detection method. By introducing relative position encoding and dilated …

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A Secure Data Aggregation Scheme to Traceback Malicious Charging Piles for Large‐Scale V2G Data‐Sharing Scenarios

Nan Zhang, Di Liu, Yuhang Liu, Zhi Li et autres

ABSTRACT In large‐scale vehicle‐to‐grid (V2G) data‐sharing scenarios, the secure and accurate aggregation of data from charging piles is crucial to optimise orderly charging services for electric vehicles (EVs) and to support demand response or load forecasting. Existing data aggregation schemes often fail …

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Unified Authentication Scheme for IoT Blockchain Based on PUF

Dawei Li, Yingxian Song, Lixin Zhang, Di Liu et autres

The number of global Internet of Things devices has increased rapidly and has a wide range of application markets. Access authentication methods for massive heterogeneous IoT devices are complicated, and central servers and trusted platforms cannot take effective measures against tampered devices. …

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Reaching consensus in decentralized coordination of distributed microservices

Gang Xue, Shuiguang Deng, Di Liu, Zeming Yan

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MOOC Video Personalized Classification Based on Cluster Analysis and Process Mining

Feng Zhang, Di Liu, Cong Liu

In the teaching based on MOOC (Massive Open Online Courses) and flipped classroom, a teacher needs to understand the difficulty and importance of MOOC videos in real time for students at different knowledge levels. In this way, a teacher can be more …

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A process partitioning technique for constructing decentralized web service compositions

Gang Xue, Di Liu, Junsong Liu, Shaowen Yao

Summary Web service compositions have been widely applied in different applications. A service composition is usually implemented in either a centralized or decentralized manner. Compared with the centralized service composition, the decentralized composition has no central control component, and components interact with …

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Energy-efficient mapping of real-time streaming applications on cluster heterogeneous MPSoCs

Di Liu, Jelena Spasic, Gang Chen, Todor P. Stefanov

In this paper, we propose a novel polynomial time algorithm, called Frequency Driven Mapping, to map real-time streaming applications specified as cyclo-static dataflow (CSDF) graphs onto a cluster heterogeneous MPSoC. The objective of our mapping approach is to reduce the energy consumption …

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A Cellular Grid Model to the Repeater Coordination

Yueying Yang, Jun Ping Meng, Di Liu, Zhan‐Guo Zhang et autres

A Two Factor User Authentication Scheme for Medical Registration Platform

Di Liu, Zhang Zhi-jiang, Ni Zhang

This paper proposes a two factors user authentication scheme for Beijing medical registration platform, in order to protect user personal information on the platform.This scheme overcomes the shortcoming that there is no authentication process during user log on the platform.The reason that …

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Group Key Management Based on T-OFT *

Chao Xu, Hui Li, Di Liu

A novel group key management protocol based on Ternary Tree and One-way Function (T-OFT) is proposed in this paper to avoid the problem about forward confidentiality, backward confidentiality and conspiracy attack. The ternary tree is used in the protocol which reduces the …

The Subliminal Channel Based on CPK Digital Signature

Di Liu

Subliminal channel is an information hiding technology to process the digital signature transmitted secure information,which provides an implementation platform for the authentication,security and other aspects of the application.Proposes a subliminal channel based on the CPK digital signature,increases CPK system applications.

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Research and Design of Collaborative Learning Platform Based on P2P

Di Liu

Analyses the current research on Web-based collaborative learning platform and indicates to make use of the advantages of P2P networks to build a new style collaborative learning platform which providing platform,resources and exchange.Then by using JXTA P2P network technology,designs a collaborative learning …

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