Shan Tang Qiang Xu 0001 870-875 2007 conf/date/2007 DATE https://doi.org/10.1109/DATE.2007.364402 https://doi.ieeecomputersociety.org/10.1109/DATE.2007.364402 http://dl.acm.org/citation.cfm?id=1266555 db/conf/date/date2007.html#TangX07