@unpublished { SVD08f,
	title = {Semantic Wikis Tutorial},
	number = {5},
	year = {2008},
	month = {may},
	address = {Tenerife},
	URL = {http://videolectures.net/eswc08_dolog_sw/},
	author = {Sebastian Schaffert and Denny Vrandecic and Peter Dolog}
}