(280M) https://www.dropbox.com/s/pyubf1fvwbvtzsx/SIGMOD11_RWE_Ensembles_LargeDatasets.part01.rar
(280M) https://www.dropbox.com/s/liaf1mah4gdbmjz/SIGMOD11_RWE_Ensembles_LargeDatasets.part02.rar
(280M) https://www.dropbox.com/s/72ljork9t88l9i6/SIGMOD11_RWE_Ensembles_LargeDatasets.part03.rar
(187M) https://www.dropbox.com/s/hh3gq8gbalqqadl/SIGMOD11_RWE_Ensembles_LargeDatasets.part04.rar
(300M) https://www.dropbox.com/s/lk0s6ejyf1vcnrq/SIGMOD11_RWE_Ensembles_SmallDatasets.part1.rar
(236M) https://www.dropbox.com/s/3a7wxk8uetlyi7u/SIGMOD11_RWE_Ensembles_SmallDatasets.part2.rar
Alternatively, to access the whole collection of datasets: