@inproceedings {5251,
	title = {Preface From NTCIR-13 General Chairs},
	booktitle = {Conference on Evaluation of Information Access Technologies (NTCIR)},
	year = {2017},
	url = {https://research.nii.ac.jp/ntcir/workshop/OnlineProceedings13/pdf/ntcir/01-NTCIR13-PREFACE.pdf},
	author = {Charles Clarke and Noriko Kando and Tetsuya Sakai}
}
