1. Places for Play: Understanding Human Perception of Playability in Cities Using Street View Images and Deep Learning.

    Jacob Kruse, Yuhao Kang, Yu-Ning Liu, Fan Zhang, Song Gao. (2021)

    Computers, Environment and Urban Systems. 90, 101693, 1-15.

    CEUS DOI: 10.1016/j.compenvurbsys.2021.101693 [PDF]

  2. Human settlement value assessment from a place perspective: Considering human dynamics and perceptions in house price modeling.

    Yuhao Kang, Fan Zhang, Song Gao, Wenzhe Peng, Carlo Ratti. (2021)

    Cities. 118, 103333, 1-14.

    Cities DOI: 10.1016/j.cities.2021.103333 [PDF]

  3. Impacts of COVID-19 lockdowns and stimulus payments on low-income population’s spending in the United States.

    Kangli Li, Natasha Zhang Foutz, Yuxin Cai, Yunlei Liang, Song Gao. (2021)

    PLOS ONE. 2021, 16 (9), e0256407.

    PLOSONE DOI: 10.1371/journal.pone.0256407 [PDF]

  4. Quantifying COVID-19 importation risk in a dynamic network of domestic cities and international countries.

    Xiaoyi Han, Yilan Xu, Linlin Fan, Yi Huang, Minhong Xu, Song Gao. (2021)

    Proceedings of the National Academy of Sciences. 2021, 118 (31), e2100201118

    PNAS DOI: 10.1073/pnas.2100201118 [PDF]

  5. Intracounty modeling of COVID-19 infection with human mobility: assessing spatial heterogeneity with business traffic, age and race.

    Xiao Hou, Song Gao, Qin Li, Yuhao Kang, Nan Chen, Kaiping Chen, Jinmeng Rao, Jordan S. Ellenberg, Jonathan A. Patz. (2021)

    Proceedings of the National Academy of Sciences. June 15, 2021, 118 (24) e2020524118

    PNAS DOI: 10.1073/pnas.2020524118 [PDF]

  6. Exploring Store Visit Changes During the COVID-19 Pandemic Using Mobile Phone Location Data.

    Yunlei Liang, Kyle W. McNair, Song Gao, Aslıgül Göçmen. (2021)

    In Shih-Lung Shaw and Daniel Sui (Eds): Mapping COVID-19 in Space and Time: Understanding the Spatial and Temporal Dynamics of a Global Pandemic (Chapter 13). pp. 253-275, Springer.

    Book DOI: 10.1007/978-3-030-72808-3_13 [PDF]

  7. Geospatial Artificial Intelligence (GeoAI).

    Song Gao. (2021)

    Oxford Bibliographies in Geography. 1-16.

    Oxford Bibliographies DOI: 10.1093/OBO/9780199874002-0228 [PDF]

  8. A privacy-preserving framework for location recommendation using decentralized collaborative machine learning.

    Jinmeng Rao, Song Gao, Mingxiao Li, Qunying Huang. (2021)

    Transactions in GIS, 25(3), 1153-1175.

    TGIS DOI: 10.1111/tgis.12769 [PDF]

  9. Automatic Urban Road Network Extraction From Massive GPS Trajectories of Taxis.

    Song Gao, Mingxiao Li, Jinmeng Rao, Gengchen Mai, Timothy Prestby, Joseph Marks, Yingjie Hu(2021)

    In Werner M., Chiang YY. (Eds) Handbook of Big Geospatial Data. Chapter 11, pp. 261-283, Springer.

    Book DOI: 110.1007/978-3-030-55462-0_11 [PDF]

  10. User-Generated Content: A Promising Data Source for Urban Informatics.

    Song Gao, Yu Liu, Yuhao Kang and Fan Zhang (2021)

    In Wenzhong Shi, Michael F. Goodchild, Michael Batty, Mei-Po Kwan, Anshu Zhang (Eds). Urban Informatics. Chapter 28, pp. 503-522, Springer.

    Book DOI: 10.1007/978-981-15-8983-6_28 [PDF]

  11. Prediction of human activity intensity using the interactions in physical and social spaces through graph convolutional networks.

    Mingxiao Li, Song Gao, Feng Lu, Kang Liu, Hengcai Zhang, Wei Tu. (2021)

    International Journal of Geographical Information Science. 35(X), 1-29.

    IJGIS DOI: 10.1080/13658816.2021.1912347 [PDF]

  12. Staying at home is a privilege: evidence from fine-grained mobile phone location data in the U.S. during the COVID-19 pandemic.

    Xiao Huang, Junyu Lu, Song Gao, Sicheng Wang, Zhewei Liu, Hanxue Wei (2021)

    Annals of the American Association of Geographers.

    Annals of AAG DOI: 10.1080/24694452.2021.1904819 [PDF]

  13. Locating Community-Based Comprehensive Service Facilities for Older Adults Using the GIS-NEMA Method in Harbin, China

    Yuanhong Ma, Guangtian Zou, Jung-hye Shin, Yuhao Kang, Song Gao, Kin Wai Michael Siu, Suxin Zhang. (2021)

    Journal of Urban Planning and Development. 147 (2), 1-14.

    UPENG DOI:10.1061/(ASCE)0733-9488(1992)118:1(1) [PDF]

  14. Urban function classification at road segment level using taxi trajectory data: A graph convolutional neural network approach.

    Sheng Hu, Song Gao, Liang Wu, Yongyang Xu, Ziwei Zhang, Haifu Cui, Xi Gong. (2021)

    Computers, Environment and Urban Systems. 87, 101619, 1-14.

    CEUS DOI: 10.1016/j.compenvurbsys.2021.101619 [PDF]

  15. Activity Knowledge Discovery: Detecting collective and individual activities with digital footprints and open source geographic data.

    Xinyi Liu, Qunying Huang, Song Gao, Jizhe Xia. (2021)

    Computers, Environment and Urban Systems. 85, 101551, 1-14.

    CEUS DOI: 10.1016/j.compenvurbsys.2020.101551 [PDF]

  16. 2020

  17. State-specific Projection of COVID-19 Infection in the United States and Evaluation of Three Major Control Measures.

    Shi Chen, Qin Li, Song Gao, Yuhao Kang, Xun Shi. (2020)

    Scientific Reports. 10(22429), 1-9. ( Top 100 most highly accessed papers of 2020 on Sci. Rep. )

    Sci. Rep. DOI: 10.1038/s41598-020-80044-3 [PDF]

  18. Urban Flood Mapping with Bi-temporal Multispectral Imagery via a Self-supervised Learning Framework.

    Bo Peng, Qunying Huang, Jamp Vongkusolkit, Song Gao, Daniel B. Wright, Zheng N. Fang, Yi Qiang. (2020)

    IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Volume 14, 1-16.

    JSTARS DOI: 10.1109/JSTARS.2020.3047677 [PDF]

  19. Multiscale dynamic human mobility flow dataset in the U.S. during the COVID-19 epidemic.

    Yuhao Kang, Song Gao, Yunlei Liang, Mingxiao Li, Jinmeng Rao, Jake Kruse (2020)

    Scientific Data. 7(390), 1-13

    Scientific Data DOI: 10.1038/s41597-020-00734-5 [PDF]

  20. A Five-Star Guide for Achieving Replicability and Reproducibility When Working with GIS Software and Algorithms.

    John P. Wilson, Kevin Butler, Song Gao, Yingjie Hu, Wenwen Li, Dawn J. Wright (2020)

    Annals of the American Association of Geographers. 111(5), 1311-1317.

    Annals of AAG DOI: 10.1080/24694452.2020.1806026 [PDF]

  21. Urban Air Pollution May Enhance COVID-19 Case-Fatality and Mortality Rates in the United States.

    Donghai Liang, Liuhua Shi, Jingxuan Zhao, Pengfei Liu, Jeremy A. Sarnat, Song Gao, Joel Schwartz, Yang Liu, Stefanie T. Ebelt, Noah Scovronick, Howard H. Chang (2020)

    The Innovation. 1(3), 100047.

    The Innovation DOI: 10.1016/j.xinn.2020.100047 [PDF]

  22. Association of Mobile Phone Location Data Indications of Travel and Stay-at-Home Mandates With COVID-19 Infection Rates in the US.

    Song Gao, Jinmeng Rao, Yuhao Kang, Yunlei Liang, Jake Kruse, Dorte Dopfer, Ajay K. Sethi, Juan Francisco Mandujano Reyes, Brian S. Yandell, Jonathan A. Patz (2020)

    JAMA Network Open. 3(9):e2020485.

    JAMA Network Open DOI: 10.1001/jamanetworkopen.2020.20485 [PDF]

  23. Understanding house price appreciation using multi-source big geo-data and machine learning.

    Yuhao Kang, Fan Zhang, Wenzhe Peng, Song Gao, Jinmeng Rao, Fabio Duarte, Carlo Ratti. (2020)

    Land Use Policy.

    Land Use Policy DOI: 10.1016/j.landusepol.2020.104919 [PDF]

  24. Progress in computational movement analysis – towards movement data science.

    Somayeh Dodge, Song Gao, Martin Tomko, Robert Weibel (2020)

    International Journal of Geographical Information Science. 34(12), 2395-2400.

    IJGIS DOI: 10.1080/13658816.2020.1784425 [PDF]

  25. Machine Learning Approaches

    Monica Wachowicz, Song Gao, 2020

    The Geographic Information Science & Technology Body of Knowledge (2nd Quarter 2020 Edition), John P. Wilson (Ed).

    UCGIS DOI: 10.22224/gistbok/2020.2.5 [PDF]

  26. LSTM-TrajGAN: A Deep Learning Approach to Trajectory Privacy Protection.

    Jinmeng Rao, Song Gao, Yuhao Kang, Qunying Huang (2020)

    In the Proceedings of the 11th International Conference on Geographic Information Science (GIScience 2021), No. 12; pp. 12:1–12:17

    GIScience DOI: 10.4230/LIPIcs.GIScience.2021.12 [PDF]

  27. Mapping county-level mobility pattern changes in the United States in response to COVID-19.

    Song Gao, Jinmeng Rao, Yuhao Kang, Yunlei Liang, Jake Kruse (2020)

    SIGSPATIAL Special. 12(1), 16-26

    SIGSPATIAL Special DOI: 10.1145/3404111.3404115 [PDF]

  28. Digital Contact Tracing and Surveillance: Geospatial opportunities, limitations, and research directions.

    Trisalyn Nelson, Peter Kedron, Michael F. Goodchild, Stewart Fotheringham, Amy Frazier, Wenwen Li, Song Gao, Yingjie Hu, Ming-Hsiang Tsou, May Yuan, Bo Zhao (2020)

    ASU Spatial Analysis Research Center (SPARC) White Paper. pp 1-13.

    White Paper [PDF]

  29. Calibrating the dynamic Huff model for business analysis using location big data.

    Yunlei Liang, Song Gao, Yuxin Cai, Natasha Zhang Foutz, Lei Wu. (2020)

    Transactions in GIS, 24(3), 681-703.

    TGIS DOI: 10.1111/tgis.12624 [PDF]

  30. Multi-objective trajectory optimization in planning for sequential activities across space and through time.

    Xin Feng, Shaohua Wang, Alan T Murray, Yuanpei Cao, Song Gao. (2020)

    Environment and Planning B: Urban Analytics and City Science. 46(9), 1756-1768.

    EPB DOI: 10.1177/2399808320913300 [PDF]

  31. Uncovering inconspicuous places using social media check-ins and street view images.

    Fan Zhang, Jinyan Zu, Mingyuan Hu, Di Zhu, Yuhao Kang, Song Gao, Yi Zhang, Zhou Huang. (2020)

    Computers, Environment and Urban Systems. Volume 81, 101478, 1-14.

    CEUS DOI: 10.1016/j.compenvurbsys.2020.101478 [PDF]

  32. Estimation of Regional Economic Development Indicator from Transportation Network Analytics.

    Bin Li, Song Gao, Yunlei Liang, Yuhao Kang, Timothy Prestby, Yuqi Gao, Runmou Xiao. (2020)

    Scientific Reports, 10, 2647, 1-15.

    Sci Rep DOI: 10.1038/s41598-020-59505-2 [PDF]

  33. Investigating urban metro stations as cognitive places in cities using points of interest.

    Kang Liu, Peiyuan Qiu, Song Gao, Feng Lu, Jincheng Jiang, Ling Yin. (2020)

    Cities. 97, 102561, 1-13.

    Cities DOI: 10.1016/j.cities.2019.102561 [PDF]

  34. GeoAI: Spatially Explicit Artificial Intelligence Techniques for Geographic Knowledge Discovery and Beyond.

    Krzysztof Janowicz, Song Gao, Grant McKenzie, Yingjie Hu, Budhendra Bhaduri (2020)

    International Journal of Geographical Information Science. 34(4), 625-636.

    IJGIS DOI: 10.1080/13658816.2019.1684500 [PDF]

  35. 2019

  36. GeoAI at ACM SIGSPATIAL: progress, challenges, and future directions.

    Yingjie Hu, Song Gao, Dalton Lunga, Wenwen Li, Shawn Newsam, Budhendra Bhaduri. (2019)

    The ACM SIGSPATIAL Special. 11(2), 5-15.

    GeoAI DOI: 10.1145/3377000.3377002 [PDF]

  37. Exploring the effectiveness of geomasking techniques for protecting the geoprivacy of Twitter users.

    Song Gao, Jinmeng Rao, Xinyi Liu, Yuhao Kang, Qunying Huang, Joseph App. (2019)

    Journal of Spatial Information Science. 19, 105-129.

    EPA DOI: 10.5311/JOSIS.2019.19.510 [PDF]

  38. Understanding Neighborhood Isolation through Spatial Interaction Network Analysis using Location Big Data.

    Timothy Prestby, Joseph App, Yuhao Kang, Song Gao. (2019)

    Environment and Planning A: Economy and Space.

    EPA DOI: 10.1177/0308518X19891911 [PDF]

  39. Dynamic Estimation of Individual Exposure Levels to Air Pollution Using Trajectories Reconstructed from Mobile Phone Data.

    Mingxiao Li, Song Gao, Feng Lu, Huang Tong, Hengcai Zhang. (2019)

    International Journal of Environmental Research and Public Health. 16(22), 4522

    IJERPH DOI: 10.3390/ijerph16224522 [PDF]

  40. A Roundtable Discussion: Defining Urban Data Science.

    Wei Kang, Taylor Oshan, Levi J Wolf, Geoff Boeing, Vanessa Frias-Martinez, Song Gao, Ate Poorthuis, Wenfei Xu. (2019)

    Environment and Planning B: Urban Analytics and City Science. 46(9), 1756-1768.

    EPB DOI: 10.1177/2399808319882826 [PDF]

  41. Predicting the Spatiotemporal Legality of On-Street Parking Using Open Data and Machine Learning.

    Song Gao, Mingxiao Li, Yunlei Liang, Joseph Marks, Yuhao Kang, and Moyin Li (2019)

    Annals of GIS, 25(4), Pages 299-312.

    SIGSPATIAL DOI: 10.1080/19475683.2019.1679882 [PDF]

  42. GeoAI 2019 Workshop Report.

    Song Gao, Shawn Newsam, Liang Zhao, Dalton Lunga, Yingjie Hu, Bruno Martins, Xun Zhou, Feng Chen (2019)

    In Proceedings of the 3rd ACM SIGSPATIAL International Workshop on AI for Geographic Knowledge Discovery (GeoAI’19)

    GeoAI ISBN: 978-1-4503-6957-2 [PDF]

  43. Analyzing the Gap Between Ride-hailing Location and Pick-up Location with Geographical Contexts (Best Poster).

    Yunlei Liang, Song Gao, Mingxiao Li, Yuhao Kang, and Jinmeng Rao (2019)

    In Proceedings of 1st ACM SIGSPATIAL International Workshop on Ride-hailing Algorithms, Applications, and Systems (RAAS’19)

    SIGSPATIAL DOI: 10.1145/3357140.3365493 [PDF]

  44. A Data-Driven Approach to Understanding and Predicting the Spatiotemporal Availability of Street Parking (Short Paper).

    Mingxiao Li, Song Gao, Yunlei Liang, Joseph Marks, Yuhao Kang, and Moyin Li (2019)

    In Proceedings of 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems(SIGSPATIAL’19)

    SIGSPATIAL DOI: 10.1145/3347146.3359366 [PDF]

  45. Combining Design Patterns and Topic Modeling to Discover Regions That Support Particular Functionality.

    Emmanuel Papadakis, Song Gao, George Baryannis. (2019)

    ISPRS International Journal of Geo-Information, 8(9), 385;

    Book DOI: 10.3390/ijgi8090385 [PDF]

  46. Modeling the Vagueness of Areal Geographic Objects: A Categorization System.

    Yu Liu, Yihong Yuan, Song Gao. (2019)

    ISPRS International Journal of Geo-Information, 8(7), 306;

    Book DOI: 10.3390/ijgi8070306 [PDF]

  47. Reconstruction of human movement trajectories from large-scale low-frequency mobile phone data.

    Mingxiao Li, Song Gao, Feng Lu, Hengcai Zhang. (2019)

    Computers, Environment and Urban Systems. Volume 77: 101346

    CEUS DOI: 10.1016/j.compenvurbsys.2019.101346 [PDF]

  48. Transferring Multiscale Map Styles Using Generative Adversarial Networks.

    Yuhao Kang, Song Gao, Robert E. Roth. (2019)

    International Journal of Cartography. Volume 5, Issue 2-3: Pages 115-141.

    IJC DOI: 10.1080/23729333.2019.1615729 [PDF]

  49. Extracting Human Emotions at Different Places Based on Facial Expressions and Spatial Clustering Analysis.

    Yuhao Kang, Qingyuan Jia, Song Gao, Xiaohuan Zeng, Yueyao Wang, Stephan Angsuesser, Yu Liu, Xinyue Ye, Teng Fei. (2019)

    Transactions in GIS, 23(3), 450–480.

    TGIS DOI: 10.1111/tgis.12552 [PDF]

  50. Exploring the uncertainty of activity zone detection using digital footprints with multi-scaled DBSCAN.

    Xinyi Liu, Qunying Huang, Song Gao. (2019)

    International Journal of Geographical Information Science, 33(6), 1196-1223.

    IJGIS DOI: 10.1080/13658816.2018.1563301 [PDF]

  51. Identifying spatial interaction patterns of vehicle movements on urban road networks by topic modelling.

    Kang Liu, Song Gao, Feng Lu. (2019)

    Computers, Environment and Urban Systems, 74, 50-61.

    CEUS DOI: 10.1016/j.compenvurbsys.2018.12.001 [PDF]

  52. A Provenance-Based Model for Facilitating Replicability and Reproducibility in Spatial Analysis.

    Song Gao (2019)

    In 2019 ASU SPARC Workshop on Replicability and Reproducibility in Geospatial Research.

    Book [PDF]

  53. Using Semantic Signatures for Social Sensing in Urban Environments.

    Krzysztof Janowicz, Grant McKenzie, Yingjie Hu, Rui Zhu, and Song Gao (2019)

    In Constantinos Antoniou, Loukas Dimitriou, Francisco Pereira (Eds). Mobility Patterns, Big Data and Transport Analytics. Elsevier, pp. 31-54

    Book DOI: 10.1016/B978-0-12-812970-8.00003-8 [PDF]

  54. Cities as Spatial and Social Networks: Towards a Spatio-Socio-Semantic Analysis Framework.

    Wei Luo, Yaoli Wang, Xi Liu, and Song Gao (2019)

    In Xinyue Ye & Xingjian Liu (Eds): Cities as Spatial and Social Networks, pp. 21-37. Springer, Cham, 2019.

    Book DOI: 10.1007/978-3-319-95351-9_3 [PDF]

  55. 2018

  56. From Points, Lines and Polygons in GIS to Place-Based Representations Reflecting Language and Culture.

    Thomas Blaschke, Helena Merschdorf, Pablo Cabrera-Barona, Song Gao, Emmanuel Papadakis and Anna Kovacs-Györi (2018)

    ISPRS International Journal of Geo-Information, 7(11), 452;

    Book DOI: 10.3390/ijgi7110452 [PDF]

  57. Optimizing Bus Stop Spacing Using the Simulated Annealing Algorithm with Spatial Interaction Coverage Model.

    Yunlei Liang, Song Gao, Tianyu Wu, Sujing Wang and Yuhao Wu (2018)

    In Proceedings of the 11th ACM SIGSPATIAL International Workshop on Computational Transportation Science

    SIGSPATIAL DOI: 10.1145/3283207.3283212 [PDF]

  58. Utilizing Reverse Viewshed Analysis in Image Geo-Localization.

    Yuhao Kang, Song Gao, Yunlei Liang (2018)

    In Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Recommendations for Location-based Services and Social Networks (LocalRec 2018).

    SIGSPATIAL DOI: 10.1145/3282825.3282828 [PDF]

  59. Collections of Points of Interest: How to Name Them and Why it Matters.

    Gengchen Mai, Krzysztof Janowicz, Yingjie Hu, Song Gao, Rui Zhu, Bo Yan, Grant McKenzie, Anagha Uppal, and Blake Regalia (2018)

    In Proceedings of Spatial big data and machine learning in GIScience Workshop’18, August 28-31, 2018, Melbourne, Australia.

    GIScience DOI: 10.4230/LIPIcs.GIScience.2018.X [PDF]

  60. Location-Based Services

    Haosheng Huang, Song Gao, 2018

    The Geographic Information Science & Technology Body of Knowledge (1st Quarter 2018 Edition), John P. Wilson (Ed).

    UCGIS DOI: 10.22224/gistbok/2018.1.14 [PDF]

  61. A context-based geoprocessing framework for optimizing meetup location of multiple moving objects along road networks.

    Shaohua Wang, Song Gao, Xin Feng, Alan T Murray, Yuan Zeng, 2018

    International Journal of Geographical Information Science, 32(7), Pages 1368-1390.

    IJGIS DOI: 10.1080/13658816.2018.1431838 [PDF]

  62. Spatio-Temporal-Network Visualization for Exploring Human Movements and Interactions in Physical and Virtual Spaces.

    Song Gao, Hanzhou Chen, Wei Luo, Yingjie Hu, Xinyue Ye (2018)

    In Shih-Lung Shaw and Daniel Sui (Eds): Human Dynamics Research in Smart and Connected Communities (Chapter 4). pp. 67-80, Springer.

    Book DOI: 10.1007/978-3-319-73247-3_4 [PDF]

  63. ADCN: An anisotropic density-based clustering algorithm for discovering spatial point patterns with noise.

    Gengchen Mai, Krzysztof Janowicz, Yingjie Hu, Song Gao (2018)

    Transactions in GIS, 22 (1), 348-369.

    TGIS DOI: 10.1111/tgis.12313 [PDF]

  64. Mobile GIS and Location-Based Services

    Song Gao, Gengchen Mai, 2018

    In Bo Huang, Thomas J. Cova, and Ming-Hsiang Tsou et al.(Eds): Comprehensive Geographic Information Systems, 384-397

    Book DOI: 10.1016/B978-0-12-409548-9.09710-4 [PDF]

  65. 2017

  66. From ITDL to Place2Vec: Reasoning about place type similarity and relatedness by learning embeddings from augmented spatial contexts.

    Bo Yan, Krzysztof Janowicz, Gengchen Mai, and Song Gao (2017)

    In Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, p. 35. ACM, 2017.

    SIGSPATIAL DOI: 10.1145/3139958.3140054 [PDF]

  67. Road2vec: Measuring traffic interactions in urban road system from massive travel routes.

    Liu, Kang, Song Gao, Peiyuan Qiu, Xiliang Liu, Bo Yan, and Feng Lu (2017)

    ISPRS International Journal of Geo-Information, 6(11), 321;

    IJGI DOI:10.3390.ijgi6110321 [PDF]

  68. Big Geo-Data.

    Song Gao. 2017

    Encyclopedia of Big Data. L.A. Schintler, C.L. McNeely (eds.)

    Book DOI:10.1007/978-3-319-32001-4_492-1 [PDF]

  69. Extracting urban functional regions from points of interest and human activities on location‐based social networks.

    Song Gao, Krzysztof Janowicz, Helen Couclelis (2017)

    Transactions in GIS, 21 (13), 446-467.

    TGIS DOI: 10.1111/tgis.12289 [PDF]

  70. A data-synthesis-driven method for detecting and extracting vague cognitive regions.

    Song Gao, Krzysztof Janowicz, Daniel R. Montello, Yingjie Hu, Jiue-An Yang, Grant McKenzie, Yiting Ju, Li Gong, Benjamin Adams, and Bo Yan. (2017)

    International Journal of Geographical Information Science, 31(6), Pages 1245-1271.

    IJGIS DOI: 10.1080/13658816.2016.1273357 [PDF]

  71. Constructing gazetteers from volunteered big geo-data based on Hadoop.

    Song Gao, Linna Li, Wenwen Li, Krzysztof Janowicz, and Yue Zhang. (2017)

    Computers, Environment and Urban Systems, 61, 172-186.

    CEUS DOI: 10.1016/j.compenvurbsys.2014.02.004 [PDF]

  72. Uncovering the digital divide and the physical divide in Senegal using mobile phone data.

    Song Gao, Bo Yan, Li Gong, Blake Regalia, Yiting Ju, and Yingjie Hu. (2017)

    In Daniel A. Griffith, Yongwan Chun, Denis J. Dean.(Eds): Advances in Geocomputation, 143-151, Springer, Cham.

    Book DOI: 10.1007/978-3-319-22786-3_14 [PDF]

  73. 2016 and before

    Please refer to Google Scholar Page