Cong Liu 0001 Jie Wu 0001 1325-1338 2009 20 IEEE Trans. Parallel Distributed Syst. 9 https://doi.org/10.1109/TPDS.2008.218 http://doi.ieeecomputersociety.org/10.1109/TPDS.2008.218 db/journals/tpds/tpds20.html#LiuW09a