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Evolution Analysis of Societal Risk Events by Risk Maps 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2020, 页码: 14
作者:  Xu, Nuo;  Tang, Xijin
收藏  |  浏览/下载：144/0  |  提交时间：2020/09/23
Risk maps  evolution analysis  Baidu hot news search words  societal risk events  
An Empirical Feasibility Study of Societal Risk Classification Toward BBS Posts 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2018, 卷号: 27, 期号: 6, 页码: 709-726
作者:  Chen, Jindong;  Zhou, Xiaoji;  Tang, Xijin
收藏  |  浏览/下载：150/0  |  提交时间：2019/01/11
Societal risk classification  Tianya Forum  cross validation  pairwise similarity  individual risk perception  
A Causality Analysis of Societal Risk Perception and Stock Market Volatility in China 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2018, 卷号: 27, 期号: 5, 页码: 613-631
作者:  Xu, Nuo;  Tang, Xijin
收藏  |  浏览/下载：165/0  |  提交时间：2018/11/16
Societal risk perception  stock market volatility  Baidu Index  Granger causality test  multiple linear regressions  
Editorial Special Issue on Artifical Intelligence and Information Systems on Knowledge, Technology and Service Management 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2018, 卷号: 27, 期号: 5, 页码: 538-541
作者:  Tang, Xijin;  Wu, Jiangning
收藏  |  浏览/下载：196/0  |  提交时间：2018/11/16
Text classification toward a scientific forum 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2007, 卷号: 16, 期号: 3, 页码: 356-369
作者:  Zhang, Wen;  Tang, Xijin;  Yoshida, Taketoshi
收藏  |  浏览/下载：89/0  |  提交时间：2018/07/30
text classification  SVM  BPNN  Xiangshan Science Conference  
Expert discovery and knowledge mining in complex multi-agent systems 期刊论文
JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING, 2007, 卷号: 16, 期号: 2, 页码: 222-234
作者:  Zhang, Minjie;  Tang, Xijin;  Bai, Quan;  Gu, Jifa
收藏  |  浏览/下载：75/0  |  提交时间：2018/07/30
knowledge discovery  knowledge mining  expert mining  multi-agent system