Mona Ahuja Cheng Che Chen Ravi Gottapu Jörg Hallmann Waqar Hasan Richard Johnson Maciek Kozyrczak Ramesh Pabbati Neeta Pandit Sreenivasulu Pokuri Krishna Uppala Peta-scale data warehousing at Yahoo! 855-862 2009 SIGMOD Conference http://doi.acm.org/10.1145/1559845.1559935 conf/sigmod/2009 db/conf/sigmod/sigmod2009.html#AhujaCGHHJKPPPU09