@inproceedings{ECIR-2006-KirschGC,
	author        = "Sebastian Marius Kirsch and Melanie Gnasa and Armin B. Cremers",
	booktitle     = "{Proceedings of the 28th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/11735106_9",
	isbn          = "3-540-33347-9",
	pages         = "84--95",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Beyond the Web: Retrieval in Social Information Spaces}",
	volume        = 3936,
	year          = 2006,
}