Michael Sintek Ludger van Elst Simon Scerri Siegfried Handschuh Distributed Knowledge Representation on the Social Semantic Desktop: Named Graphs, Views and Roles in NRL. 594-608 2007 conf/esws/2007 ESWC http://dx.doi.org/10.1007/978-3-540-72667-8_42 db/conf/esws/eswc2007.html#SintekESH07