| 2025 | 18 | Proceedings of the 18th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2025, Tokyo, Japan, June 10-13, 2025 | Tokyo | |
| 2023 | 17 | Proceedings of the 17th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2023, Tokyo, Japan, December 12-15, 2023 | Tokyo | |
| 2022 | 16 | Proceedings of the 16th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2022, Tokyo, Japan, June 14-17, 2022 | Tokyo | |
| 2020 | 15 | Proceedings of the 15th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2020, Tokyo, Japan, December 8-11, 2020 | Tokyo | |
| 2019 | 14 | NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers NTCIR | Tokyo | 2019-06-10/13 |
| 2019 | 14 | Proceedings of the 14th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2019, Tokyo, Japan, June 10-13, 2019 | Tokyo | |
| 2017 | 13 | The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017 NTCIR | Tokyo | 2017-12-05 |
| 2016 | 12 | Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016 NTCIR | Tokyo | 2016-06-07/10 |
| 2014 | 11 | Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-11, National Center of Sciences, Tokyo, Japan, December 9-12, 2014 NTCIR 2014, NTCIR | Tokyo | 2014-12-09/12 |
| 2013 | 10 | Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013 NTCIR | Tokyo | 2013-06-18/21 |
| 2011 | 9 | Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011 NTCIR | Tokyo | 2011-12-06/09 |
| 2010 | 8 | Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010 NTCIR | Tokyo | 2010-06-15/18 |
| 2008 | 7 | Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-7, National Center of Sciences, Tokyo, Japan, December 16-19, 2008 NTCIR | Tokyo | 2008-12-16/19 |
| 2007 | 6 | Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007 NTCIR | Tokyo | 2007-05-15/18 |
| 2005 | | Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005 NTCIR | Tokyo | 2005-12-06/09 |
| 2004 | | Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004 NTCIR | Tokyo | 2004-06-02/04 |
| 2002 | | Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002 NTCIR | Tokyo | 2002-10-08/10 |
| 2001 | | Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, NTCIR-2, Tokyo, Japan, March 7-9, 2001 NTCIR | Tokyo | 2001-03-07/09 |
| 1999 | | Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, NTCIR-1, Tokyo, Japan, August 30 - September 1, 1999 NTCIR | Tokyo | 1999-08-30 to 1999-09-01 |