Andreas Ekelhart Stefan Fenz A. Min Tjoa Edgar R. Weippl Security Issues for the Use of Semantic Web in E-Commerce. 1-13 2007 conf/bis/2007 BIS http://dx.doi.org/10.1007/978-3-540-72035-5_1 db/conf/bis/bis2007.html#EkelhartFTW07