no code implementations • 30 Oct 2022 • Chengxiang Jin, Jiajun Zhou, Jie Jin, Jiajing Wu, Qi Xuan
With the development of Web 3. 0 which emphasizes decentralization, blockchain technology ushers in its revolution and also brings numerous challenges, particularly in the field of cryptocurrency.
1 code implementation • 23 Oct 2022 • Junyuan Fang, Haixian Wen, Jiajing Wu, Qi Xuan, Zibin Zheng, Chi K. Tse
Specifically, to make the node injections as imperceptible and effective as possible, we propose a sampling operation to determine the degree of the newly injected nodes, and then generate features and select neighbors for these injected nodes based on the statistical information of features and evolutionary perturbations obtained from a genetic algorithm, respectively.
no code implementations • 26 Nov 2021 • Jinyin Chen, Haiyang Xiong, Dunjie Zhang, Zhenguang Liu, Jiajing Wu
Phishing detectors direct their efforts in hunting phishing addresses.
no code implementations • 17 Nov 2020 • Tao Huang, Yihan Zhang, Jiajing Wu, Junyuan Fang, Zibin Zheng
To tackle the dilemma between accuracy and efficiency, we propose to use aggregators with different granularities to gather neighborhood information in different layers.
no code implementations • 11 Dec 2019 • Zibin Zheng, Hong-Ning Dai, Jiajing Wu
Blockchain is gaining extensive attention due to its provision of secure and decentralized resource sharing manner.
1 code implementation • 13 May 2019 • Jiajing Wu, Dan Lin, Zibin Zheng, Qi Yuan
By taking the realistic rules and features of transaction networks into consideration, we first model the Ethereum transaction network as a Temporal Weighted Multidigraph (TWMDG), where each node is a unique Ethereum account and each edge represents a transaction weighted by amount and assigned with timestamp.
Social and Information Networks Applications
