Lan Zhang

Graph-based Self-Adaptive Conversational Agent

2021

Conversational agents have been widely adopted in dialogue systems for various business purposes. Many existing conversational agents are rule-based and require significant human intervention to adapt the knowledge and conversational flow. In this paper, we …

τ-Access policy: Attribute-based encryption scheme for social network based data trading

2021 · China Communications

The rapid development of social technology has replaced physical interaction in the trading market. The implication of this technology is to provide access to the right information at the right time. The drawback of these …

Performance Analysis of Underwater Acoustic Automatic Modulation Classification System with Machine Learning

2021 · 2021 IEEE 21st International Conference on Communication Technology (ICCT)

Underwater acoustic (UWA) channel is a triple-selective fading channel in time, space and frequency as a result of its lower sound speed and its complicated boundaries in the ocean. It is very difficult to realize …

Scape: Scalable Collaborative Analytics System on Private Database with Malicious Security

2022 · 2022 IEEE 38th International Conference on Data Engineering (ICDE)

Many data applications can be facilitated or even spawned by joint analysis on databases held by different owners, but privacy concerns are currently the biggest hindrance. Though a practical privacy-preserving collaborative database analytics system is …

Stackelberg Game-Driven Computational Offloading in Edge Computing Scenarios

2023

With the number of users that use mobile devices for frequent transactions increasing rapidly, it is a great challenge to guarantee the credibility of transactions. Blockchain is regarded as a practical technology for such demand, …