Andrew Witkowski Srikanth Bellamkonda Tolga Bozkaya Aman Naimat Lei Sheng Sankar Subramanian Allison Waingold 1204-1215 2005 conf/vldb/2005 VLDB http://www.vldb2005.org/program/paper/fri/p1204-witkowski.pdf db/conf/vldb/vldb2005.html#WitkowskiBBNSSW05