@conference {548,
	title = {MinervaDL: An Architecture for Information Retrieval and Filtering in Distributed Digital Libraries},
	booktitle = {Proceedings of the 11th European Conference on Research and Advanced Technology for Digital Libraries (ECDL)},
	year = {2007},
	month = {September},
	address = {Budapest, Hungary},
	author = {Christian Zimmer and Christos Tryfonopoulos and Gerhard Weikum}
}
@conference {adpuc06-BKTWZ,
	title = {MAPS: Approximate Publish/Subscribe Functionality in Peer-to-Peer Networks},
	booktitle = {Proceedings of Advanced Data Processing in Ubiquitous Computing Workshop (ADPUC @ Middleware)},
	year = {2006},
	month = {November},
	pages = {1{\textendash}6},
	address = {Melbourne, Australia},
	author = {Klaus Berberich and Manolis Koubarakis and Christos Tryfonopoulos and Gerhard Weikum and Christian Zimmer}
}
