Daniele Paolo Scarpazza Oreste Villa Fabrizio Petrini Efficient Breadth-First Search on the Cell/BE Processor. 1381-1395 2008 19 IEEE Trans. Parallel Distrib. Syst. 10 http://dx.doi.org/10.1109/TPDS.2007.70811 db/journals/tpds/tpds19.html#ScarpazzaVP08