Following a very successful SIGIR 2017 Conference, a new ACM SIGIR Chapter has formed in Tokyo (http://sigir.jp/). Congratulations to the Tokyo ACM SIGIR team for establishing this Chapter! Interested in starting a local chapter of SIGIR in your area? Contact our SIGIR Chair (Diane Kelly) and visit: https://www.acm.org/chapters/chapter-in-a-box .