Associate Professor, Dept. of Statistics Associate Head, Dept. of Statistics Faculty Fellow, Institute for Artificial Intelligence Education PhD, Statistics, Cornell University MS, Statistics, Nankai University BS, Mathematics, Nankai University Honors and Awards Journal of Business & Economic Statistics (JBES) Discussion Paper, 2022 M. G. Michael Award, University of Georgia, 2016 Annals of Applied Statistics (AOAS) Discussion Paper, 2016 Teaching Academy Fellow, University of Georgia, 2014 Provost Summer Research Grant, University of Georgia, 2014 Research Interests Social Networks Nework/Graph Data Machine Learning Big Data Analytics Infectious Disease Epidemiology Bibliometrics Bioinformatics Selected Publications Wang, Y., Zhu, R., Li, S. and Ji, P. (2024) Open-Set Graph Domain Adaptation via Separate Domain Alignment. Thirty-Eighth AAAI Conference on Artificial Intelligence (AAAI-24). Full text. Ke, ZT., Ji, P., Jin, J. and Li, W. (2023) Recent advances in text analysis. Annual Review of Statistics and Its Application. Accepted. Full text. Jiang, X., Zhu, R., Li, S. and Ji, P. (2023). Co-embedding of nodes and edges with graph neural networks. IEEE Transactions on Pattern Analysis and Machine Intelligence. Full text. Yang, J., Skaro, M., Chen J., Zhan, D., Lyu L., Gay, S., Kandeil A., Ali, M. A., Kayali, G., Stoianova, K., Ji, P., Alabady, M., Bahl, J., Liu, L., and Arnold, J. (2023). The species coalescent reveals the origin of the pandemic in 2020. Scientific Reports, 13, 5571 Full text. Ji, P., Jin, J., Ke, Z. T. and Li, W. (2021). Co-citation and co-authorship networks of statisticians (with discussions). Journal of Business & Economic Statistics, 40(2): 469–485. Full text. Wang, Z., Liang, Y. and Ji, P. (2020). Spectral algorithms for community detection in directed networks. Journal of Machine Learning Research (JMLR), 21(153): 1-45. Full text. Jiang, X., Ji, P. and Li, S. (2019). CensNet: Convolution with edge-node switching in graph neural networks. International Joint Conference on Artificial Intelligence (IJCAI). Full text. Ji, P. and Nussbaum, M. (2017). Sharp minimax adaptation over Sobolev ellipsoids in nonparametric testing. Electronic Journal of Statistics, 11(2): 4515-4562. Full text. Ji, P. and Jin, J. (2016). Coauthorship and citation networks for statisticians (with discussions). Annals of Applied statistics, 10(4): 1779-1812. Presented in the AOAS Invited Lecture at the Joint Statistical Meetings (JSM) 2016 in Chicago. Download the main paper, discussions (#1, #2, #3, #4, #5, #6) and rejoinder. Download data set and computer code. Ji, P. and Zhao, Z. (2014). Rate optimal multiple testing procedure in high dimensional regression. Full text at arXiv. Ji, P. and Jin, J. (2012). UPS delivers optimal phase diagram in high dimensional variable selection. Annals of Statistics, 40(1): 73-103. Full text, Matlab code, and the R package ScreenClean. Former Students Yu Wang, PhD, 2023. Machine Learning Engineer at LinkedIn. Duna Zhan, PhD, 2023. Machine Learning Engineer at Pinterest. Xiaodong Jiang, PhD, 2019. Senior Research Data Scientist at Facebook/Meta. Adam Quinn, MS, 2016. Instructor at Walden University. Research Research Areas: Machine Learning
