Temporal Graph Learning How can we advance machine learning methods to more effectively model and predict dynamic real-world networks and relationships within these time-evolving graphs? Crime & Online Markets How to analyze large online markets and build victim-centered tools for countering sex-trafficking? Politics & Online Media How can we use AI to understand the exchange of information and ideas, and to create positive, societally beneficial information ecosystems? Toxicity & Online Games How can we build systems to foster healthier gaming communities? Research We work on various topics and present our works in ML and NLP conferences and journals. Publications