title: flexible support for multiple access control policies acm trans . database syst .. authors: s jajodia , p samarati , m sapino , v subrahmanian. venue: nan. year: 2001.0
title: flexible support for multiple access control policies 2001.0. authors: s jajodia , p samarati , ml sapino , vs subrahmanian. venue: acm transactions on database systems ,. year: nan