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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2021     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Multi-step metal prices forecasting based on a data preprocessing method and an optimized extreme learning machine by marine predators algorithm 期刊论文 RESOURCES POLICY, 2021, 卷号: 74, 页码: 10 作者:  Du, Pei;  Guo, Ju'e;  Sun, Shaolong;  Wang, Shouyang;  Wu, Jing 收藏  |  浏览/下载：14/0  |  提交时间：2022/04/02 Metal prices forecasting  Data processing method  Optimized extreme learning machine  Hybrid forecasting model   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 收藏  |  浏览/下载：40/0  |  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   Economics analysis of food waste treatment in China and its influencing factors 期刊论文 FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING, 2021, 卷号: 15, 期号: 2, 页码: 12 作者:  Chen, Ting;  Zhao, Yingying;  Qiu, Xiaopeng;  Zhu, Xiaoyan;  Liu, Xiaojie 收藏  |  浏览/下载：52/0  |  提交时间：2021/03/15 Recycling economics  Cost-benefit  Food waste treatment  Subsidy  Food waste economy  Circular economy   Forecasting Chinese cruise tourism demand with big data: An optimized machine learning approach 期刊论文 TOURISM MANAGEMENT, 2021, 卷号: 82, 页码: 10 作者:  Xie, Gang;  Qian, Yatong;  Wang, Shouyang 收藏  |  浏览/下载：8/0  |  提交时间：2021/01/14 Cruise  Big data  Gravitational search algorithm  Tourism demand forecasting   Study on an Artificial Society of Urban Safety Livability Change 期刊论文 ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2021, 卷号: 10, 期号: 2, 页码: 24 作者:  Pan, Lihu;  Zhang, Le;  Qin, Shipeng;  Yan, Huimin;  Peng, Rui 收藏  |  浏览/下载：289/0  |  提交时间：2021/04/25 livable city  urban safety livability  resident decision-making behavior simulation  artificial society  Futian District  Shenzhen