Robert Krauthgamer Aranyak Mehta Vijayshankar Raman Atri Rudra Greedy List Intersection. 1033-1042 2008 ICDE http://dx.doi.org/10.1109/ICDE.2008.4497512 conf/icde/2008 db/conf/icde/icde2008.html#KrauthgamerMRR08