@inproceedings{HT-2007-FigueiraL,
	author        = "Álvaro Reis Figueira and Joanne Bras Laranjeiro",
	booktitle     = "{Proceedings of the 18th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1286240.1286255",
	isbn          = "978-1-59593-820-6",
	pages         = "45--46",
	publisher     = "{ACM}",
	title         = "{Interaction visualization in web-based learning using igraphs}",
	year          = 2007,
}