@inproceedings{EDM-2016-XueLC,
	author        = "Linting Xue and Collin Lynch and Min Chi",
	booktitle     = "{Proceedings of the Ninth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2016/proceedings/paper_137.pdf",
	pages         = "255--262",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Unnatural Feature Engineering: Evolving Augmented Graph Grammars for Argument Diagrams}",
	year          = 2016,
}