Cluster Graphs as Abstractions for Constraint Satisfaction Problems. - Susan L. Epstein; Xingjian Li 003 (SARA, 2009)

Visualization for Structured Constraint Satisfaction Problems. - Xingjian Li 003; Susan L. Epstein (Visual Representations and Reasoning, 2010)

Learning cluster-based structure to solve constraint satisfaction problems. - Xingjian Li 003; Susan L. Epstein (Ann. Math. Artif. Intell., 2010)

Discovering Protein Clusters. - Susan L. Epstein; Xingjian Li 003; Peter Valdez; Sofia Grayevsky; Eric Osisek; Xi Yun; Lei Xie (AAAI Fall Symposium: Discovery Informatics, 2012)