Darknet Monitoring on Real-Operated Networks. - Seiichiro Mizoguchi; Yoshiro Fukushima; Yoshiaki Kasahara; Yoshiaki Hori; Kouichi Sakurai (BWCCA, 2010)

Proactive Blacklisting for Malicious Web Sites by Reputation Evaluation Based on Domain and IP Address Registration. - Yoshiro Fukushima; Yoshiaki Hori; Kouichi Sakurai (TrustCom, 2011)