@inproceedings{HT-2010-HsiaoBYO,
	author        = "I-Han Hsiao and Peter Brusilovsky and Michael Yudelson and Alvaro Ortigosa",
	booktitle     = "{Proceedings of the 21st Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1810617.1810657",
	isbn          = "978-1-4503-0041-4",
	pages         = "223--228",
	publisher     = "{ACM}",
	title         = "{The value of adaptive link annotation in e-learning: a study of a portal-based approach}",
	year          = 2010,
}