@conference{SCB+10,
	author = {Josef Spillner and Anton Caceres and Bastian Buder and Ronny Kursawe and Larisa S. Globa and Alexander Schill},
	title = {Extending Social Networks with Service Delivery Capabilities for User-Centric Service Trading},
	year = {2010},
	month = {2},
	organization = {IEEE},
	note = {Lviv-Slavske, Ukraine}
}