@inproceedings{dragos2016investigating, title={Investigating Trend-setters in E-learning Systems using Polyadic Formal Concept Analysis and Answer Set Programming}, author={Dragos, Sanda and Haliț{\u{a}}, Diana and Troanca, Diana}, booktitle={Proceedings of the 4th International Workshop on Artificial Intelligence for Knowledge Management}, pages={42--48}, year={2016} }