Shangyuan Guan Xiaoshe Dong Yiduo Mei Weiguo Wu Zhenghua Xue Towards Automated Trust Negotiation for Grids. 154-159 2008 ICNSC http://dx.doi.org/10.1109/ICNSC.2008.4525201 conf/icnsc/2008 db/conf/icnsc/icnsc2008.html#GuanDMWX08