1. Martinez, R., Yacef, K., Kay, J., Al-Qaraghuli, A., Kharrufa, A.: Analysing frequent sequential patterns of collaborative learning activity around an interactive tabletop. In: Proceedings of the 4th International Conference on Educational Data Mining (EDM 2011), pp. 111–120 (2011)
2. Guerra, J., Sahebi, S., Brusilovsky, P., Lin, Y.R.: The problem solving genome: analyzing sequential patterns of student work with parameterized exercises. In: Proceedings of the 7th International Conference on Educational Data Mining (EDM 2014), pp. 153–160 (2014)
3. Lecture Notes in Computer Science (Lecture Notes in Artificial Intelligence);P Fournier-Viger,2014
4. Kim, H., Choo, J., Kim, J., Reddy, C.K., Park, H.: Simultaneous discovery of common and discriminative topics via joint non-negative matrix factorization. In: Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 15), pp. 567–576 (2015)
5. Badea, L.: Extracting gene expression profiles common to colon and pancreatic adenocarcinoma using simultaneous nonnegative matrix factorization. In: Pacific Symposium on Biocomputing, pp. 267–278 (2008)