@inproceedings{HT-2006-Al-KhalifaD,
	author        = "Hend S. Al-Khalifa and Hugh C. Davis",
	booktitle     = "{Proceedings of the 17th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1149941.1149956",
	isbn          = "1-59593-417-0",
	pages         = "69--72",
	publisher     = "{ACM}",
	title         = "{The evolution of metadata from standards to semantics in E-learning applications}",
	year          = 2006,
}