Erhard Godehardt Jerzy Jaworski Katarzyna Rybarczyk Random Intersection Graphs and Classification. 67-74 2006 GfKl http://dx.doi.org/10.1007/978-3-540-70981-7_8 conf/gfkl/2006 db/conf/gfkl/gfkl2006.html#GodehardtJR06