@inproceedings{JCDL-2012-FosterSDOS,
	author        = "James M. Foster and Md. Arafat Sultan and Holly Devaul and Ifeyinwa Okoye and Tamara Sumner",
	booktitle     = "{Proceedings of the 12th Joint Conference on Digital Libraries}",
	doi           = "10.1145/2232817.2232827",
	isbn          = "978-1-4503-1154-0",
	pages         = "35--42",
	publisher     = "{ACM}",
	title         = "{Identifying core concepts in educational resources}",
	year          = 2012,
}