Yanping Chen Zengzhi Li Qinxue Jin Chuang Wang Study on Life Cycle Model of Dynamic Composed Web Services. 159-164 2005 conf/ica3pp/2005 ICA3PP http://dx.doi.org/10.1007/11564621_18 db/conf/ica3pp/ica3pp2005.html#ChenZJW05