Services

Year	Venue	Role
2022-2023	NTCIR-17	Program Co-Chairs
2022	ACM CHIIR 2022	Short Papers Program Co-Chairs
2020-2022	NTCIR-16	Program Co-Chairs
2019	KJDB 2019	Local Co-Chairs
2019	IEEE BigComp 2019	Web Chair
2018-2019	NTCIR-14	Task Organizer
2018	ACM IUI 2018	Proceedings Co-Chairs
2017	ACM SIGIR 2017	Demo Co-Chairs
2017	ASSIA 2017	Co-Organizers
2016-2017	NTCIR-13	Task Organizer
2014-2015	NTCIR-12	Task Organizer
2015	iDB Workshop 2015	Excursion Vice-Chair
2013	KJDB 2013	Registration & Liaison Chair
2013	SocInfo 2013	Local Arrangement Co-Chairs
2015	iDB Workshop 2013	International Relationship Chair
2013-2014	NTCIR-11	Task Organizer
2012-2013	NTCIR-10	Task Organizer

2026
- WSDM, ECIR (Outstanding Reviewer Award), CHIIR, SIGIR, COLM, ICTIR, CIKM, SIGIR-AP, EVIA
2025
- SIGIR (Excellent PC members), SIGIR-AP (Outstanding Reviewer Award)
2024
- CHIIR
2023
- SIGIR, CIKM, SIGIR-AP
2022
- WSDM, SIGIR, CIKM, ECIR
2021
- AAAI, CHIIR, CIKM, SIGIR, TheWebConf, WSDM
2020
- AAAI, CHIIR, CIKM, EMNLP, SIGIR, TheWebConf
2019
- AIRS, ACL, CHIIR, CIKM, EMNLP, ISM, IEEE ICME, ICADL, PAKDD, SIGIR
2018
- ACL, AIRS, CIKM, EMNLP, IPSJ Interaction, ISM, PAKDD
2017
- AIRS, ACM CIKM, IPSJ Interaction, ISM, PAKDD, SIGIR, WISE, WISS,
2016
- AIRS, SPIRE, WISE, WISS
2015
- AIRS, Ecol@CIKM, NWSearch@CIKM, WISS
2014
- WISS
2013
- OAIR, WISS

Year	Publication	Role
2019-2022	Information Retrieval Journal	Editorial Board Member
2017-2020	Information Processing Society of Japan	Editorial Board Member
2017-2022	IEICE Journal: Special Section on Data Engineering and Information Management	Editorial Board Member
2016-2019	IPSJ Transaction on Databases	Editorial Board Member
2016	The Japanese Society for Artificial Intelligence Special Issue on Web Intelligence and Interaction 2017	Editorial Board Member
2014	The Japanese Society for Artificial Intelligence Special Issue on New Directions of Web Intelligence and Interaction	Editorial Board Member

Year	Organization	Role
2017-Present	Tokyo ACM SIGIR Chapter	Member
2013-Present	ACM SIGIR	Member