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A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
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Posts
portfolio
publications
Can We Forecast Presidential Election Using Twitter Data? An Integrative Modelling Approach
Published in Annals of GIS, 2020
Most Downloaded Paper Award 1st Place & Best Paper Award 3rd Place in Annals of GIS (2021)
Recommended citation: Liu, R., Yao, X., Guo, C., & Wei, X. (2020). "Can We Forecast Presidential Election Using Twitter Data? An Integrative Modelling Approach." Annals of GIS, 27(1), 43-56.
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Developing a Place-Time-Specific Transmissibility Index to Measure and Examine the Spatiotemporally Varying Transmissibility of COVID-19
Published in Annals of the American Association of Geographers, 2023
UGA Geography Globe Award for Methodological Advancement (2023)
Recommended citation: Yang, H., Yao, X. A., Liu, R., & Whalen, C. C. (2023). "Developing a Place-Time-Specific Transmissibility Index to Measure and Examine the Spatiotemporally Varying Transmissibility of COVID-19." Annals of the American Association of Geographers, 113(6), 1419-1443.
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A Review of Methods for Evaluating and Correcting Sampling Bias in Geotagged Social Media Data
Published in Cartography and Geographic Information Science (submitted), 2025
Comprehensive review of bias evaluation methods (submitted)
Recommended citation: Liu, R., & Yao, X. A. (2025). "A Review of Methods for Evaluating and Correcting Sampling Bias in Geotagged Social Media Data." Cartography and Geographic Information Science (submitted).
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From theory to deep learning: Understanding the impact of geographic context factors on traffic violations
Published in Computers, Environment and Urban Systems, 2025
Theory-guided and deep learning models for understanding traffic violations
Recommended citation: Yang, H., Yao, X. A., Roozkhosh, F., Liu, R., & Mai, G. (2025). "From theory to deep learning: Understanding the impact of geographic context factors on traffic violations." Computers, Environment and Urban Systems, 119, 102268.
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talks
teaching
Advanced Geospatial Analysis
Graduate course, University of Georgia, Department of Geography, 2023
Teaching Assistant for advanced spatial analysis course.
Introduction to GIScience
Undergraduate course, University of Georgia, Department of Geography, 2023
Teaching Assistant for undergraduate introduction to GIS using ArcGIS Pro.
Transportation Modelling and GIS
Graduate course, University of Georgia, Department of Geography, 2024
Teaching Assistant for graduate-level course covering transportation modeling using TransCAD and ArcGIS Pro.