Arnd Schröter Daniel Graff Gero Mühl Jan Richling Helge Parzyjegla Self-optimizing Hybrid Routing in Publish/Subscribe Systems. 111-122 2009 DSOM http://dx.doi.org/10.1007/978-3-642-04989-7_9 conf/dsom/2009 db/conf/dsom/dsom2009.html#SchroterGMRP09