Valentina Ciriani Sabrina De Capitani di Vimercati Sara Foresti Sushil Jajodia Stefano Paraboschi Pierangela Samarati Enforcing Confidentiality Constraints on Sensitive Databases with Lightweight Trusted Clients. 225-239 2009 DBSec http://dx.doi.org/10.1007/978-3-642-03007-9_15 conf/dbsec/2009 db/conf/dbsec/dbsec2009.html#CirianiVFJPS09