Rocío Aldeco-Pérez Luc Moreau Provenance-Based Auditing of Private Data Use. 141-152 2008 BCS Int. Acad. Conf. http://www.bcs.org/server.php?show=ConWebDoc.22883 conf/bcs/2008 db/conf/bcs/bcs2008.html#Aldeco-PerezM08