Hirokawa Yutaka

On Checkerboard Rounding : Theory and Implementation

Tokuyama Takeshi, Hirokawa Yutaka, 2005 .

Traffic Leap Detection for Internet Backbone

Kawahara Ryoichi, Yamamoto Kimihiro, Hirokawa Yutaka, 2007 .

Traffic Shift Monitoring System based on Correlation between BGP Message and Flow Data

Kurakami Hiroshi, Kobayashi Atsushi, Hirokawa Yutaka, 2010 .

A method of detecting network anomalies and determining their termination.

Mori Tatsuya, Kamiyama Noriaki, Kawahara Ryoichi, 2006 .

Estimating Top-N Hosts in Cardinality and Its Application to Anomaly Detection

Mori Tatsuya, Kawahara Ryoichi, Ishibashi Keisuke, 2006 .