Qiang Yue Zhiwei Xu Haiyan Yu Wei Li Li Zha An Approach to Debugging Grid or Web Services. 330-337 2007 conf/icws/2007 ICWS http://doi.ieeecomputersociety.org/10.1109/ICWS.2007.33 db/conf/icws/icws2007.html#YueXYLZ07