Karen Appleby J. Faik Gautam Kar Anca Sailer Manoj K. Agarwal Anindya Neogi Threshold management for problem determination in transaction based e-commerce systems. 733-746 2005 conf/im/2005 Integrated Network Management http://dx.doi.org/10.1109/INM.2005.1440847 db/conf/im/im2005.html#ApplebyFKSAN05