Zhiqiang Liu

A Secure and Practical Blockchain Scheme for IoT

2019

With features such as decentralization, consistency, tamper resistance, non-repudiation, and pseudonym, blockchain technology has the potential to strengthen the Internet of Things (IoT) significantly, thus opening an intriguing research area in the integration of blockchain …

Difficulty and Typicality-Based Problem Recommendation Algorithm Implementation and Analysis

2018

With the increasing popularity of "online learning", a method of finding effective learning materials from massive resources is urgently needed. By setting the "problems" in the online learning system as an example, this paper analyzes …