Yaping Wan Dan Feng Tianming Yang Ze Deng Li Liu 45-50 2008 MUE https://doi.org/10.1109/MUE.2008.31 https://doi.ieeecomputersociety.org/10.1109/MUE.2008.31 conf/mue/2008 db/conf/mue/mue2008.html#WanFYDL08