Short bio

Tatsuya Mori is currently a professor at Waseda University, Tokyo, Japan. He received B.E. and M.E. degrees in applied physics, and Ph.D. degree in information science from the Waseda University, in 1997, 1999 and 2005, respectively. He joined NTT Laboratories in 1999. Since then, he has been engaged in the research of measurement and analysis of networked systems and network security. From Mar 2007 to Mar 2008, he was a visiting researcher at the University of Wisconsin-Madison. He was appointed by Waseda University as an associate professor in 2013 and was promoted to a professor in 2018. From May 2016, he serves as a substitute board director at FFRI Inc. From May 2018, he is a visiting research at RIKEN AIP.

Academic Services

Small tools

  • RPatricia: A Ruby wrapper of Net::Patricia ; Now available as a rubygem -- rpatricia. You might want to use this as a tool for fast lookup of IP addresses/prefixes.
  • sBloomFilter: A fast and simple bloomfilter library for ruby written in C
  • Bayesian Sets with MovieLens Data: A simple implementation of Bayesian Sets written in Ruby. If you are interested in the source code, please let me know.
  • ip2prefix.rb: A ruby script that converts range of ip addresses into prefix notation, i.e., { -} => If you find bugs, please let me know. No warranty.
  • domain2spf.rb: A ruby script that extracts DNS SPF records from a list of domains. The script employs parallel lookups.
  • more to come; stay tuned

Networked System Laboratory
e-mail: mori[at]nsl.cs.waseda.ac.jp