Research Thrusts

My three research thrusts are (1) Cybersecurity in Web, Social and Crowdsourcing Systems; (2) Big Data Analytics and Mining; and (3) Information Dissemination in Social Systems.

1. Cybersecurity in Web, Social and Crowd-based Systems

  • Detecting Social Spammers and Content Polluters
  • Strategic Campaign Analysis and Detection
  • Protecting the Web against Crowdsourced Manipulation
  • Filtering Misinformation and Spam
  • Tracking, Revealing and Detecting Crowdsourced manipulation

2. Big Data Analytics and Mining

  • Spatio-Temporal Data Mining
  • Recommender System
  • Analyzing and Mining Crowd-based Systems
  • Learning Analytics and Educational Data Mining
  • Community Detection

3. Information Dissemination in Social Systems

  • Information Propagation in Social Systems
  • Counter-Messaging Campaigns

Acknowledgments

This research has been generously supported by NSF, Google, Amazon, Nvidia, Ministry of Science, ICT and Future Planning in South Korea, Utah State University, and Worcester Polytechnic Institute.