Measuring Public School Competition from Private Schools: A Gravity-Based Index. - Kaustav Misra; Guangqing Chi (J. Geogr. Inf. Syst., 2011)

Evaluating the Representativeness in the Geographic Distribution of Twitter User Population. - Junjun Yin 002; Guangqing Chi; Jennifer Van Hook (GIR@SIGSPATIAL, 2018)

Design and implementation of a parallel geographically weighted k-nearest neighbor classifier. - Yingxia Pu; Xinyi Zhao; Guangqing Chi; Shuhe Zhao; Jiechen Wang; Zhibin Jin; Junjun Yin 002 (Comput. Geosci., 2019)

Error Measures for Trajectory Estimations With Geo-Tagged Mobility Sample Data. - Mohsen Parsafard; Guangqing Chi; Xiaobo Qu 002; Xiaopeng Shaw Li; Haizhong Wang (IEEE Trans. Intell. Transp. Syst., 2019)

A first look at COVID-19 information and misinformation sharing on Twitter. - Lisa Singh; Shweta Bansal; Leticia Bode; Ceren Budak; Guangqing Chi; Kornraphop Kawintiranon; Colton Padden; Rebecca Vanarsdall; Emily K. Vraga; Yanchen Wang (CoRR, 2020)

Characterizing People's Daily Activity Patterns in the Urban Environment: A Mobility Network Approach with Geographic Context-Aware Twitter Data. - Junjun Yin 002; Guangqing Chi (CoRR, 2020)

A multi-modal approach towards mining social media data during natural disasters - a case study of Hurricane Irma. - Somya D. Mohanty; Brown Biggers; Saed SayedAhmed; Nastaran Pourebrahim; Evan B. Goldstein; Rick Bunch; Guangqing Chi; Fereidoon Sadri; Tom P. McCoy; Arthur Cosby (CoRR, 2021)

Global Tweet Mentions of COVID-19. - Guangqing Chi; Junjun Yin 002; M. Luke Smith; Yosef Bodovski (CoRR, 2021)

An evaluation of geo-located Twitter data for measuring human migration. - Junjun Yin 002; Yizhao Gao 001; Guangqing Chi (Int. J. Geogr. Inf. Sci., 2022)

A tale of three cities: uncovering human-urban interactions with geographic-context aware social media data. - Junjun Yin 002; Guangqing Chi (Urban Inform., 2022)