The following publications are possibly variants of this publication:
- Preface from the Program ChairNoriko Kando. ntcir 2005: [doi]
- Preface from NTCIR-13 General ChairsCharles L. A. Clarke, Noriko Kando, Tetsuya Sakai. ntcir 2017: [doi]
- Preface from NTCIR-9 General ChairsNoriko Kando, Tsuneaki Kato, Eiichiro Sumita. ntcir 2011: [doi]
- Preface from NTCIR-12 General ChairsNoriko Kando, Tetsuya Sakai, Mark Sanderson. ntcir 2016: [doi]
- Preface from NTCIR-11 General ChairsNoriko Kando, Tsuneaki Kato, Tetsuya Sakai, Douglas W. Oard, Mark Sanderson. ntcir 2014: [doi]
- Preface from NTCIR-10 General ChairsNoriko Kando, Tsuneaki Kato, Douglas W. Oard, Mark Sanderson. ntcir 2013: [doi]