Marco Casassa Mont Siani Pearson Pete Bramhall Towards Accountable Management of Privacy and Identity Information. 146-161 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2808&spage=146 2003 conf/esorics/2003 ESORICS db/conf/esorics/esorics2003.html#MontPB03