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CASIA OpenIR
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Improving the Data Quality for Credit Card Fraud Detection 会议论文
, Arlington, VA, USA, 2022-11
作者:  Rongrong Jing;  Hu Tian;  Yidi Li;  Xingwei Zhang;  Xiaolong Zheng;  Zhu Zhang;  Daniel Dajun Zeng
Adobe PDF(472Kb)  |  收藏  |  浏览/下载：339/72  |  提交时间：2022/06/17
Inductive Representation Learning on Dynamic Stock Co-Movement Graphs for Stock Predictions 期刊论文
INFORMS JOURNAL ON COMPUTING, 2022, 页码: 19
作者:  Tian, Hu;  Zheng, Xiaolong;  Zhao, Kang;  Liu, Maggie Wenjing;  Zeng, Daniel Dajun
Adobe PDF(1329Kb)  |  收藏  |  浏览/下载：281/58  |  提交时间：2022/07/25
graph representation learning  deep learning  predictive models  business intelligence  
Game Starts at GameStop: Characterizing the Collective Behaviors and Social Dynamics in the Short Squeeze Episode 期刊论文
IEEE TRANSACTIONS ON COMPUTATIONAL SOCIAL SYSTEMS, 2021, 页码: 14
作者:  Zheng, Xiaolong;  Tian, Hu;  Wan, Zhe;  Wang, Xiao;  Zeng, Daniel Dajun;  Wang, Fei-Yue
Adobe PDF(8005Kb)  |  收藏  |  浏览/下载：196/13  |  提交时间：2022/01/27
Social networking (online)  Dictionaries  Stock markets  Investment  Games  Analytical models  Market research  Dynamic interaction network  financial market  GameStop  short squeeze  social network analysis  
epsilon-k anonymization and adversarial training of graph neural networks for privacy preservation in social networks 期刊论文
ELECTRONIC COMMERCE RESEARCH AND APPLICATIONS, 2021, 卷号: 50, 页码: 17
作者:  Tian, Hu;  Zheng, Xiaolong;  Zhang, Xingwei;  Zeng, Daniel Dajun
Adobe PDF(2484Kb)  |  收藏  |  浏览/下载：249/78  |  提交时间：2021/12/28
Privacy preservation  Anonymization  Graph neural networks  Social network  
A GNN-based Few-shot learning model on the Credit Card Fraud detection 会议论文
, Beijing, China, 2021-07-15_2021-08-15
作者:  Rongrong Jing;  Hu Tian;  Gang Zhou;  Xingwei Zhang;  Xiaolong Zheng;  Daniel Dajun Zeng
Adobe PDF(430Kb)  |  收藏  |  浏览/下载：195/61  |  提交时间：2022/06/17
A Graph-Based Semi-Supervised Fraud Detection Framework 会议论文
, Beijing, China, 2021-05-31
作者:  Rongrong Jing;  Xiaolong Zheng;  Hu Tian;  Xingwei Zhang;  Weiyun Chen;  Dash Desheng Wu;  Daniel Dajun Zeng
Adobe PDF(1227Kb)  |  收藏  |  浏览/下载：203/47  |  提交时间：2022/06/17
Correlation-based Dynamics and Systemic Risk Measures in the Cryptocurrency Market 会议论文
, Miami, FL, USA, 9-11 Nov. 2018
作者:  Jiaqi, Liang;  Linjing, Li;  Daniel, Zeng;  Yunwei, Zhao
浏览  |  Adobe PDF(717Kb)  |  收藏  |  浏览/下载：579/229  |  提交时间：2019/04/30
Cryptocurrency  Blockchain  Financial Market  Correlation Matrix  Asset Tree  Systemic Risk  
Evolutionary dynamics of cryptocurrency transaction networks: An empirical study 期刊论文
PLOS ONE, 2018, 卷号: 13, 期号: 8, 页码: 1-18
作者:  Jiaqi, Liang;  Linjing, Li;  Daniel, Zeng
浏览  |  Adobe PDF(4131Kb)  |  收藏  |  浏览/下载：345/57  |  提交时间：2018/10/10
cryptocurrency  blockchain  bitcoin  transaction networks  network analysis  
A multi-level text representation model within background knowledge based on human cognitive process for big data analysis 期刊论文
CLUSTER COMPUTING-THE JOURNAL OF NETWORKS SOFTWARE TOOLS AND APPLICATIONS, 2016, 卷号: 19, 期号: 3, 页码: 1475-1487
作者:  Wei, Xiao;  Zhang, Jun;  Zeng, Daniel Dajun;  Li, Qing
浏览  |  Adobe PDF(4930Kb)  |  收藏  |  浏览/下载：385/150  |  提交时间：2016/12/26
Text Comprehension  Background Knowledge  Text Representation  Human Cognitive Process  Surface Code  Text Base  Situational Model  Semantics  
Building the concept semantic space for large text database 期刊论文
COMPUTER SYSTEMS SCIENCE AND ENGINEERING, 2015, 卷号: 30, 期号: 5, 页码: 421-429
作者:  Wei, Xiao;  Zeng, Daniel Dajun;  Wu, Wei;  Dai, Yeming
浏览  |  Adobe PDF(1316Kb)  |  收藏  |  浏览/下载：261/73  |  提交时间：2016/03/19
Text Database  Concept Semantic Space  Multiple Semantic Granularities  Multiple Semantic Dimensions  Semantic Link Network  Concept Extraction