[1] Soon Ae Chun, James Geller, Xiang Ji. Social Health Records: Gaining Insights into Public Health Behaviors, Emotions, and Disease Trajectories. Public Health Intelligence and the Internet pp 19-43, Sept 2017.

[2] Xiang Ji, Soon Ae Chun, and James Geller. Knowledge-based Tweet Classification for Disease Sentiment Monitoring. In Sentiment Analysis and Ontology Engineering, pp. 425-454, Jan 2016.

[3] Xiang Ji, Soon Ae Chun, Zhi Wei, and James Geller. Twitter Sentiment Classification for Measuring Public Health Concerns. Social Network Analysis and Mining. May 2015.

[4] Xiang Ji, Soon Ae Chun, and James Geller, "Monitoring Public Health Concerns Using Twitter Sentiment Classifications," Proceedings of IEEE International Conference on Healthcare Informatics, Philadelphia, PA, 9-11 September 2013.

[5] Xiang Ji, Soon Ae Chun, and James Geller, "Epidemic Outbreak and Spread Detection System Based on Twitter Data," Proceedings of The 1st International Conference on Health Information Science (HIS 2012): 152-163, Beijing, China, 8-10 April 2012.