Using a distributed quadtree index in peer-to-peer networks.

Egemen Tanin Aaron Harwood Hanan Samet Using a distributed quadtree index in peer-to-peer networks. 165-178 2007 16 VLDB J. 2 http://dx.doi.org/10.1007/s00778-005-0001-y db/journals/vldb/vldb16.html#TaninHS07