@inproceedings{DouEtal07a, author = {Dejing Dou and Jun Li and Han Qin and Shiwoong Kim and Sheng Zhong}, title = {Understanding and Utilizing the Hierarchy of Abnormal BGP Events}, booktitle = {Proceedings of SIAM International Conference on Data Mining 2007 (SDM)}, year = {2007}, pages = {467-472} }