| Feb 28, 2015 | NTCIR-12 Kick-off Event |
| Jun 30, 2015
Jul 30, 2015 |
Task Registration due **Extended** |
| Jul 1, 2015 | Final task guideline released
Document Collection release |
| Jul 1, 2015
Jul 7, 2015 |
Dry run testing data releaased **Extended** |
| Sep 1, 2015 | Dry run submission due |
| Oct 1, 2015 | Dry run evaluation results released |
| Nov 1, 2015
Nov 8, 2015 |
Formal run testing data released **Extended** |
| Dec 1, 2015
Dec 10, 2015 |
Formal run submissions due **Extended** |
| Feb 1, 2016 | Formal run evaluation results released
Early task overview paper due |
| Mar 1, 2016 | Participant draft papers due |
| May 1, 2016 | Camera ready papers due |
| Jun 7-10, 2016 | NTCIR-12 conference @ NII, Tokyo, Japan |