Utilizing Community Centers to Answer Reachability Queries for Large Graphs. - Yifei Zhang 003; Guoren Wang; Changkuan Zhao; Ende Zhang (IEEE WISA, 2013)

L-reach: A vertex set cover approach to regular expression-based reachability queries. - Yifei Zhang 003; Guoren Wang; Changkuan Zhao; Ende Zhang (FSKD, 2013)

Retaining all the path information for graph reachability queries based on regular expressions. - Yifei Zhang 003; Guoren Wang; Changkuan Zhao; Ende Zhang (FSKD, 2013)

Matrix completion for SPOC student peer-grading evaluation. - Bin Xu 010; Kexin Li; Kening Gao; Changkuan Zhao; Ge Yu 001; Jinshuang Li (ACM TUR-C, 2017)

Measuring code similarity using word mover's distance for programming course. - Bin Xu 010; Fan Gao; Kening Gao; Changkuan Zhao; Dan Yang 003 (ACM TUR-C, 2019)