Flip Korn S. Muthukrishnan Yunyue Zhu IPSOFACTO: A Visual Correlation Tool for Aggregate Network Traffic Data. 677 2003 conf/sigmod/2003 SIGMOD Conference db/conf/sigmod/sigmod2003.html#KornMZ03 http://doi.acm.org/10.1145/872757.872868 http://www.acm.org/sigmod/sigmod03/eproceedings/papers/dem21.pdf