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Human's digital footprints on the Qinghai-Tibet Plateau: Variations during festivals and impacts on nature reserves 期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2021, 卷号: 31, 期号: 2, 页码: 179-194
Authors:  Du Yunyan;  Tu Wenna;  Liang Fuyuan;  Yi Jiawei
Favorite  |  View/Download:14/0  |  Submit date:2021/06/10
digital footprint  space-time variations  human impact  nature reserve  location request  
Quantify city-level dynamic functions across China using social media and POIs data 期刊论文
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS, 2021, 卷号: 85, 页码: 14
Authors:  Qian, Jiale;  Liu, Zhang;  Du, Yunyan;  Liang, Fuyuan;  Yi, Jiawei;  Ma, Ting;  Pei, Tao
Favorite  |  View/Download:16/0  |  Submit date:2021/03/15
Urban function  Human activity  Social media  Points-of-Interest  Random forest  
Mining Evolution Patterns from Complex Trajectory Structures-A Case Study of Mesoscale Eddies in the South China Sea 期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2020, 卷号: 9, 期号: 7, 页码: 15
Authors:  Wang, Huimeng;  Du, Yunyan;  Yi, Jiawei;  Wang, Nan;  Liang, Fuyuan
Favorite  |  View/Download:11/0  |  Submit date:2021/03/18
complex trajectory  mesoscale eddy  structural evolution  frequent pattern  periodic pattern  
Mapping human's digital footprints on the Tibetan Plateau from multi-source geospatial big data 期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2020, 卷号: 711, 页码: 15
Authors:  Yi, Jiawei;  Du, Yunyan;  Liang, Fuyuan;  Tu, Wenna;  Qi, Wei;  Ge, Yong
Favorite  |  View/Download:15/0  |  Submit date:2020/05/19
Geospatial big data  Digital footprint  Human impact  Nature conservation  Tibetan Plateau  
Clustering Complex Trajectories Based on Topologic Similarity and Spatial Proximity: A Case Study of the Mesoscale Ocean Eddies in the South China Sea 期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2019, 卷号: 8, 期号: 12, 页码: 18
Authors:  Wang, Huimeng;  Du, Yunyan;  Sun, Yong;  Liang, Fuyuan;  Yi, Jiawei;  Wang, Nan
Favorite  |  View/Download:20/0  |  Submit date:2020/05/19
complex trajectory  graph matching  topological similarity  spatial proximity  hierarchical clustering  mesoscale eddies  
Spatiotemporal Changes of Urban Rainstorm-Related Micro-Blogging Activities in Response to Rainstorms: A Case Study in Beijing, China 期刊论文
APPLIED SCIENCES-BASEL, 2019, 卷号: 9, 期号: 21, 页码: 16
Authors:  Wang, Nan;  Du, Yunyan;  Liang, Fuyuan;  Yi, Jiawei;  Wang, Huimeng
Favorite  |  View/Download:18/0  |  Submit date:2020/05/19
social media  rainstorm event  spatiotemporal analysis  factor assessing  
Anomalies of dwellers' collective geotagged behaviors in response to rainstorms: a case study of eight cities in China using smartphone location data 期刊论文
NATURAL HAZARDS AND EARTH SYSTEM SCIENCES, 2019, 卷号: 19, 期号: 10, 页码: 2169-2182
Authors:  Yi, Jiawei;  Du, Yunyan;  Liang, Fuyuan;  Pei, Tao;  Ma, Ting;  Zhou, Chenghu
Favorite  |  View/Download:13/0  |  Submit date:2020/05/19
A New Method for Measuring Topological Structure Similarity between Complex Trajectories 期刊论文
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, 2019, 卷号: 31, 期号: 10, 页码: 1836-1848
Authors:  Wang, Huimeng;  Du, Yunyan;  Yi, Jiawei;  Sun, Yong;  Liang, Fuyuan
Favorite  |  View/Download:18/0  |  Submit date:2020/03/23
Complex trajectories  topological structure  graph isomorphism  similarity  ocean eddies  
Quantitative Association between Nighttime Lights and Geo-Tagged Human Activity Dynamics during Typhoon Mangkhut 期刊论文
REMOTE SENSING, 2019, 卷号: 11, 期号: 18, 页码: 21
Authors:  Liu, Zhang;  Du, Yunyan;  Yi, Jiawei;  Liang, Fuyuan;  Ma, Ting;  Pei, Tao
Favorite  |  View/Download:18/0  |  Submit date:2020/05/19
NPP-VIIRS DNB  social media  natural disaster  typhoon  damage assessment  
Quantitative estimates of collective geo-tagged human activities in response to typhoon Hato using location-aware big data 期刊论文
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2019, 页码: 21
Authors:  Liu, Zhang;  Du, Yunyan;  Ya, Jiawei;  Liang, Fuyuan;  Ma, Ting;  Pei, Tao
Favorite  |  View/Download:17/0  |  Submit date:2020/03/23
Human response  typhoon  natural disaster  location-aware data  rapid disaster assessment