@article{VLDB-2008-ZerrN,
	author        = "Sergej Zerr and Wolfgang Nejdl",
	ee            = "http://www.vldb.org/pvldb/1/1454240.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 2,
	pages         = "1638--1643",
	title         = "{Privacy preserving document indexing infrastructure for a distributed environment}",
	volume        = 1,
	year          = 2008,
}