Stefano Castelli Paolo Costa Gian Pietro Picco HyperCBR: Large-Scale Content-Based Routing in a Multidimensional Space. 1714-1722 2008 INFOCOM http://dx.doi.org/10.1109/INFOCOM.2008.233 conf/infocom/2008 db/conf/infocom/infocom2008.html#CastelliCP08