Important Dates


Sep 2019:
NTCIR-15 Kickoff event in NII, Tokyo, Japan
Jan 2020:
Dataset release*
Jan-May 2020:
Dry run*
May-July 2020:
Formal run *
Aug 20, 2020:
Evaluation results return
Sep 20, 2020:
Participant paper due
Nov 1, 2020:
Camera-ready paper due
Dec 8-11, 2020:
NTCIR-15 Conference in NII, Tokyo, Japan

Event with * vary across tasks. For the latest and detailed schedule, please visit each task website.



  • Please understand that we are out of business on Saturday, Sunday and the national holidays.
    National holidays in Japan:
    - 2019:
    Jul 15th(Mon), Aug 12th(Mon), Sep 16th(Mon) and 23th(Mon), Oct 14th(Mon) and 22th(Tue) Nov 4th(Mon), from Dec 28th(Sat) to 31th(Tue),
    - 2020:
    Jan 1st to 3rd, 13th(Mon), Feb 11th(Tue) and 24th(Mon), March 20th(Fri), April 29th(Wed), From May 3rd(Sun) to 6th(Wed), from July 23th(Thu) to 24th(Fri), Aug 10th(Mon), From Sep 21th(Mon) to 22th(Tue), Nov 3rd(Tue) and 23th(Mon)

For further information, please contact at

Last Modified: 2020-06-04