Giannakis Antoniou Lynn Margaret Batten Parampalli Udaya A Trusted Approach to E-Commerce. 119-132 2008 Secure Data Management http://dx.doi.org/10.1007/978-3-540-85259-9_8 conf/sdmw/2008 db/conf/sdmw/sdmw2008.html#AntoniouBU08