Yo Ehara

Profile Information

Affiliation: Tokyo Gakugei University

Degree: Ph.D. (Information Science and Technology)(The University of Tokyo)
Master (Information Science and Technology)(The University of Tokyo)
Bachelor (Engineering)(The University of Tokyo)

Researcher number: 60738029
J-GLOBAL ID: 201801013547399229
researchmap Member ID: B000303925

External link: http://yoehara.com/

Tenured senior lecturer on Natural Language Processing, especially educational NLP and second language vocabulary acquisition. Built publicly-available datasets on second language vocabulary knowledge: http://yoehara.com/vocabulary-prediction/ .

Research Areas

Research Projects

A Study on Automatic Generation of Tests to Measure Abilities for Language Learning Support Systems

Grant-in-Aid for Scientific Research, Young Scientists, Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2022

Yo Ehara
An Efficient Vocabulary Learning Support System based on Regions in Semantic Spaces

Advanced Information and Communication Technology for Innovation, Japan Science and Technology Agency, Oct, 2018

Yo Ehara
Developing Statistical Methods to Construct Word Difficulty Measures for Diverse Readers

Grant-in-Aid for Scientific Research, Young Scientists(B), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Yo Ehara
A Study on Support Systems for Practical Second Language Usage by Mathematical Modeling of Mental Lexicon and Lexicon Network

Grant-in-Aid for JSPS Fellows, Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2014

Yo Ehara

Awards

Dec, 2021

IPSJ SIGHCI Contribution Award

Yo Ehara
Sep, 2019

第44会全国大会大会奨励賞（4 / 79件）, テキストカバー率の確率的拡張に基づく語彙テストのみからの個人化読解判定, 教育システム情報学会

江原遥
Aug, 2019

奨励賞（7 / 93件）, 文脈を考慮した視覚的な語彙学習支援, NLP若手の会

江原遥
Jun, 2017

Best Paper Award (of each volume), Visualizing High-Risk Paths using Road Network Analysis for Disaster Mitigation, The Database Society of Japan

Masaki KANNO, Yo EHARA, Masaharu HIROTA, Shohei YOKOYAMA, Hiroshi ISHIKAWA
Sep, 2015

Excellent Paper Award, A Prediction Model of Translation Quality for Reducing Costs when using Crowdsourcing Translation, Multimedia, Distributed, Cooperative, and Mobile Symposium, Information Processing Society of Japan

Yo Ehara, Yukino Baba, Masao Utiyama, Eiichiro Sumita
Sep, 2015

Incentive Award, A Relationship Between Vocabulary Ability and Translation Ability, Young Researcher Association for NLP Studies

Yo Ehara, Yukino Baba, Masao Utiyama, Eiichiro Sumita
Mar, 2011

Student Incentive Award for the Fiscal Year 2010, en.newikipedia.org: A Interactive Reading Support System that Predicts Users' Unfamiliar Words for the English Version of Wikipedia, SIG Human-Computer Interaction, Information Processing Society of Japan

Yo Ehara, Takashi Ninomiya, Nobuyuki Shimizu, Hiroshi Nakagawa
Sep, 2009

Incentive Award, A Relationship Between Vocabulary Ability and Translation Ability, Young Researcher Association for NLP Studies

Yo Ehara, Takashi Ninomiya, Hiroshi Nakagawa

Major Papers

To What Extent Does Lexical Normalization Help English-as-a-Second Language Learners to Read Noisy English Texts?

Yo Ehara

Proceedings of the Seventh Workshop on Noisy User-generated Text (W-NUT 2021), EMNLP 2021 workshop, Nov, 2021 Peer-reviewed
To What Extent Can English-as-a-Second Language Learners Read Economic News Texts?

Yo Ehara

Proceedings of the Third Workshop on Economics and Natural Language Processing (ECONLP), EMNLP 2021 workshop, 62-68, Nov, 2021 Peer-reviewed
Uncertainty-aware Personalized Readability Assessments for Second Language Learners

Yo Ehara

Proceedings of the 18th IEEE International Conference on Machine Learning and Applications (ICMLA), Full Paper （採択率28.5%）, Dec, 2019 Peer-reviewed
132

Building an English Vocabulary Knowledge Dataset of Japanese English-as-a-Second-Language Learners Using Crowdsourcing

Yo Ehara

In the Proceedings of the 11th edition of the Language Resources and Evaluation Conference (LREC 2018), May, 2018 Peer-reviewed
Mining words in the minds of second language learners for learner-specific word difficulty

Yo Ehara, Issei Sato, Hidekazu Oiwa, Hiroshi Nakagawa

Journal of Information Processing, 26 267-275, Mar, 2018 Peer-reviewed
Generating Video Description using Sequence-to-sequence Model with Temporal Attention

Natsuda Laokulrat, Sang Phan, Noriki Nishida, Raphael Shu, Yo Ehara, Naoaki Okazaki, Yusuke Miyao, Hideki Nakayama

Proceedings of COLING 2016, 44-52, Dec, 2016 Peer-reviewed
89

Assessing Translation Ability through Vocabulary Ability Assessment

Yo Ehara, Yukino Baba, Masao Utiyama, Eiichiro Sumita

In the Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI-16), 3712-3718, Jul, 2016 Peer-reviewed
60

Formalizing Word Sampling for Vocabulary Prediction as Graph-based Active Learning

Yo Ehara, Yusuke Miyao, Hidekazu Oiwa, Issei Sato, Hiroshi Nakagawa

In the Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP-2014), 1374-1384, Oct, 2014 Peer-reviewed
84

Personalized Reading Support for Second-Language Web Documents

Yo Ehara, Nobuyuki Shimizu, Takashi Ninomiya, Hiroshi Nakagawa

ACM TRANSACTIONS ON INTELLIGENT SYSTEMS AND TECHNOLOGY, 4(2), Mar, 2013 Peer-reviewed
Personalized Reading Support for Second-Language Web Documents by Collective Intelligence

Yo Ehara, Nobuyuki Shimizu, Takashi Ninomiya, Hiroshi Nakagawa

IUI 2010, 51-60, 2010 Peer-reviewed
80

Multilingual Text Entry using Automatic Language Detection.

Yo Ehara, Kumiko Tanaka-Ishii

In the Proceedings of the 3rd international Joint Conference on Natural Language Processing (IJCNLP 2008), 441-448, Jan, 2008 Peer-reviewed

Research Interests

Research History

Apr, 2021 - Present

Tokyo Gakugei University
Jun, 2018 - Present

Visiting Researcher, Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology
Jun, 2018 - Mar, 2021

Lecturer, Department of Computer Science, Faculty of Informatics, Shizuoka Institute of Science and Technology
Apr, 2016 - May, 2018

Researcher, Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology
Sep, 2015 - Mar, 2016

Project Assistant Professor, Graduate School of System Design, Tokyo Metropolitan University
Apr, 2014 - Aug, 2015

Researcher, Advanced Speech Translation Research and Development Promotion Center, National Institute of Information and Communications Technology
Oct, 2013 - Mar, 2014

Research Fellow (PD), National Institute of Informatics, Japan Society for the Promotion of Science
Apr, 2012 - Sep, 2013

JSPS Research Fellow (DC2), Graduate School of Information Science and Technology, The University of Tokyo, Japan Society for the Promotion of Science

Education

Oct, 2009 - Sep, 2013

Mathematical Informatics, Doctoral Course, Graduate School of Information Science and Technology, The University of Tokyo
Apr, 1999 - Mar, 2002

Salesio Gakuin High school

Teaching Experience

Professional Memberships

Misc.

Study of information provided by the best time to see estimation method of phenological observations using tweets

12(1) 47-60, 2016
マイクロブログを用いた地域別特徴抽出手法の一検討

遠藤雅樹, 莊司慶行, 江原遥, 廣田雅春, 大野成義, 石川博

第15回情報科学技術フォーラム (FIT2016), D-026, 2016
E-010 クラウドソーシング翻訳のコスト削減のための翻訳者割り当て手法の提案(E分野:自然言語・音声・音楽,一般論文)

江原遥, 馬場雪乃, 内山将夫, 隅田英一郎

情報科学技術フォーラム講演論文集, 14(2) 217-218, Aug 24, 2015

Committee Memberships

Sep, 2019 - Present

運営委員, 情報処理学会自然言語処理研究会
Sep, 2019 - Present

論文誌編集委員, 言語処理学会
2018 - 2018

Program Committee Member (Reviewer), AAAI2019
2017 - 2017

Program Committee Member (Reviewer), BEA-12
2016 - 2016

Program Committee Member (Reviewer), BEA-11
2015 - 2015

Program Committee Member (Reviewer), ACL 2015
2014 - 2014

Program Committee Member (Reviewer), BEA-9
2014 - 2014

Program Committee Member (Reviewer), ACL 2014