Tomohiro Manabe

LY Corporation
- Kioi Tower, Tokyo Garden Terrace Kioicho, 1-3 Kioicho, Chiyodaku, Tokyo 102-8282 Japan
Doctor of Informatics in Social Informatics (Kyoto University, 2016)
Master of Informatics in Social Informatics (Kyoto University, 2013)
Bachelor of Engineering in Informatics and Mathematical Science (Kyoto University, 2011)
Member of the Database Society of Japan
Member of Tokyo ACM SIGIR Chapter
Member of the HCIR Research Unit at University of Tsukuba

Research Interests and Selected Publications

Logical structure of tree-structured documents

Tomohiro Manabe and Keishi Tajima.
Extracting Logical Hierarchical Structure of HTML Documents Based on Headings.
The Proceedings of the VLDB Endowment, vol. 8, no. 12, pp. 1606-1617, August 2015.
- Reference implementation, data set, annotation tools, slides, and poster

Block-based web search

Tomohiro Manabe and Keishi Tajima.
Heading-Aware Proximity Measure and Its Application to Web Search.
DBSJ Journal, vol. 14, article no. 2, March 2016.
- System output

Effective and efficient evaluation of document rankings

Tomohiro Manabe, Akiomi Nishida, Makoto P. Kato, Takehiro Yamamoto, and Sumio Fujita.
A Comparative Live Evaluation of Multileaving Methods on a Commercial cQA Search.
In SIGIR, pp. 949-952, 2017.
- Details (on ACM Digital Library, including a link to the full text)
- Reference implementation
Makoto P. Kato, Akiomi Nishida, Tomohiro Manabe, Sumio Fujita, and Takehiro Yamamoto.
What Rankers Can be Statistically Distinguished in Multileaved Comparisons?
In CIKM, pp. 2081-2084, 2020.
- Details (on ACM Digital Library, including a link to the full text)

All publications in English / All publications

Career Summary

2004. 4. 1	-	2007. 3. 1	:	Student in the general education curriculum of Tokushima Prefectural Joto Senior High School
2007. 4. 1	-	2011. 3.24	:	Student of Undergraduate School of Informatics and Mathematical Science of Faculty of Engineering of Kyoto University
2008. 4. 1	-	2011. 3.24	:	Student in Computer Science Course of the same school
2010. 4. 9	-	2016. 3.23	:	Member of Digital Library Group (or Tanaka Laboratory or Tanaka and Tajima Laboratory) in Social Information Model Division of Department of Social Informatics of Graduate School of Informatics of Kyoto University
2010. 4.12	-	2016. 3. 9	:	Advised by Prof. Keishi Tajima
2011. 4. 1	-	2013. 3.23	:	Master course student of the same dept.
2013. 4. 1	-	2016. 3.23	:	Doctoral student of the same dept.
2013. 4. 1	-	2016. 3.31	:	Research fellow (DC1) of the Japan Society for the Promotion of Science
2016. 4. 1	-	2023. 9.30	:	Yahoo Japan Corporation
2020.11. 1	-	2021. 9.30	:	ZOZO Technologies, Inc.
2021.10. 1	-	2024. 8.31	:	ZOZO, Inc.
2023.10. 1	-	current	:	LY Corporation

Other Activities

2007. 4.28	-	2009.12.19	:	Member of Yukidaruma-pro, an official filmmaking circle of Kyoto University YouTube: yukidarumapro - YouTube
2011. 8.25	-	2011.9.20	:	Intern at former Cyber Solution Laboratory of Nippon Telegraph and Telephone Corporation Theme: Information extraction from web contents
2011. 9.27	-	2011.9.29	:	Student of Kyoto University Summer Design School 2011 Theme: Designing an HTML editor - not for the image conscious
2011.10. 4	-	2012. 1.31	:	Teaching assistant of Hardware and Software Laboratory Project 2 at Faculty of Engineering of Kyoto University
2012. 5	-	2012. 9	:	Staff of Kyoto University Summer Design School 2012
2012.10. 2	-	2013. 1.23	:	Teaching assistant of Hardware and Software Laboratory Project 2 at Faculty of Engineering of Kyoto University
2013. 3.11	-	2016. 3.31	:	Student member of the Database Society of Japan
2013. 6.28	-	2016. 3.31	:	Obtained JSPS KAKENHI (Grants-in-Aid for JSPS Fellows), 3,300,000 yen in total Research Project: A Study on Block-Level Web Search (Grant Number: 13J06384)
2014. 3.15	-	2014. 3.16	:	Guest lecturer of Digital Design Workshop at Kyoto University Spring Design School 2014
2016. 4. 1	-	current	:	Member of the Database Society of Japan
2016. 5.17			:	TOEIC IP score 830
2016. 7.20			:	Linux Professional Institute Certified Level 1
2016. 8	-	2017.12	:	Organizer of the NTCIR-13 OpenLiveQ task
2018. 2.24	-	current	:	Member of Tokyo ACM SIGIR Chapter
2018. 3	-	2019. 6	:	Organizer of the NTCIR-14 OpenLiveQ-2 task
2020.10	-	2025. 9	:	Member of the “Human-Centred Information Retrieval and Recommender Systems” Research Unit at University of Tsukuba
2021. 4	-	2025. 3	:	Member of Editorial Committee of IPSJ Magazine at the Information Processing Society of Japan

Program Committee Member

SIGIR 2018 (short papers on applications of IR)
NTCIR-14 (post-conference proceedings)
SIGIR 2020, 2021 (short paper)
SIGIR 2022 (long paper)
CIKM 2023, 2024 (applied research papers)

Guest Lecturer

Information Access System at University of Hyogo (2021, 2022, 2023, 2024)
Data Mining and Machine Learning at Sizuoka University (2024)

Tomohiro Manabe

Research Interests and Selected Publications

Logical structure of tree-structured documents

Block-based web search

Effective and efficient evaluation of document rankings

Career Summary

Other Activities

Program Committee Member

Guest Lecturer

Links