Claudio Bettini Xiaoyang Sean Wang Sushil Jajodia Information Release Control: A Learning-Based Architecture. 176-198 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3360&spage=176 2005 journals/jods/2005-2 J. Data Semantics 2 db/journals/jods/jods2.html#BettiniWJ05