Publications

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2018

Efficient Online Scalar Annotation with Bounded Support
Keisuke Sakaguchi, Benjamin Van Durme.
Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (ACL 2018)
Melbourne, Australia, July 2018.
Paper | BibTex | Code | Slide

2017

Grammatical Error Correction with Neural Reinforcement Learning
Keisuke Sakaguchi, Matt Post, Benjamin Van Durme.
Proceedings of the Eighth International Joint Conference on Natural Language Processing
Taipei, Taiwan, November 2017.
Paper | BibTex | Code | Slide

GEC into the future: Where are we going and how do we get there?
Keisuke Sakaguchi, Courtney Napoles, Joel Tetreault.
Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications (BEA 12)
Copenhagen, Denmark, September 2017.
Paper | BibTex

Error-repair Dependency Parsing for Ungrammatical Texts
Keisuke Sakaguchi, Matt Post, Benjamin Van Durme.
Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (ACL 2017)
Vancouver, Canada, July, 2017.
Outstanding Paper Award (1.5% of the submissions)
Paper | BibTex | Code | Slide | Talk

JFLEG: A Fluency Corpus and Benchmark for Grammatical Error Correction
Courtney Napoles, Keisuke Sakaguchi, Joel Tetreault.
Proceedings of the 2017 Conference of the European Chapter of the Association for Computational Linguistics (EACL 2017)
Valencia, Spain, April 2017.
Paper | BibTex | Code | Grammarly blog post

Robsut Wrod Reocginiton via semi-Character Recurrent Neural Network
Keisuke Sakaguchi, Kevin Duh, Matt Post, Benjamin Van Durme.
Proceedings of the 31st AAAI Conference on Artificial Intelligence (AAAI 2017)
San Francisco, California, February 2017.
Paper | Poster | BibTex | Code

2016

Universal Decompositional Semantics on Universal Dependencies
Aaron Steven White, Drew Reisinger, Keisuke Sakaguchi, Tim Vieira, Sheng Zhang, Rachel Rudinger, Kyle Rawlins, Benjamin Van Durme.
Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP 2016)
Austin, Texas, November 2016.
Paper | BibTex | Data

There's No Comparison: Reference-less Evaluation Metrics in Grammatical Error Correction
Courtney Napoles, Keisuke Sakaguchi, Joel Tetreault.
Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP 2016)
Austin, Texas, November 2016.
Paper | BibTex | Code

Phrase Structure Annotation and Parsing for Learner English
Ryo Nagata, Keisuke Sakaguchi
Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (ACL 2016)
Berlin, Germany, August 2016.
Paper | BibTex | Talk

GLEU Without Tuning
Courtney Napoles, Keisuke Sakaguchi, Matt Post, Joel Tetreault.
arXiv
May 2016.
Paper | BibTex | Code

Reassessing the Goals of Grammatical Error Correction: Fluency Instead of Grammaticality
Keisuke Sakaguchi, Courtney Napoles, Matt Post, Joel Tetreault
Transactions of the Association for Computational Linguistics (TACL)
May 2016.
Paper | BibTex | Code | Talk

2015

Ground Truth for Grammatical Error Correction Metrics
Courtney Napoles, Keisuke Sakaguchi, Matt Post, Joel Tetreault.
Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (ACL-IJCNLP 2015)
Beijing, China, July 2015.
Paper | BibTex | Code | Slide

Effective Feature Integration for Automated Short Answer Scoring
Keisuke Sakaguchi, Michael Heilman, Nitin Madnani.
Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2015)
Denver, Colorado, May-June 2015.
Paper | BibTex | Slide | Talk

2014

Efficient Elicitation of Annotations for Human Evaluation of Machine Translation
Keisuke Sakaguchi, Matt Post, Benjamin Van Durme.
Proceedings of the Ninth Workshop on Statistical Machine Translation (WMT 2014)
Baltimore, MD, June 2014.
Paper | BibTex | Code | Slide

2013

Discriminative Approach to Fill-in-the-Blank Quiz Generation for Language Learners
Keisuke Sakaguchi, Yuki Arase, Mamoru Komachi.
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013)
Sofia, Bulgaria, August 2013.
Paper | BibTex | Code | Poster

NAIST at 2013 CoNLL Grammatical Error Correction Shared Task
Ippei Yoshimoto, Tomoya Kose, Kensuke Mitsuzawa, Keisuke Sakaguchi, Tomoya Mizumoto, Yuta Hayashibe, Mamoru Komachi, Yuji Matsumoto.
Proceedings of the CoNLL-2013 Shared Task: Grammatical Error Correction
Sofia, Bulgaria, August 2013.
Paper | BibTex

NAIST at the NLI 2013 Shared Task
Tomoya Mizumoto, Yuta Hayashibe, Keisuke Sakaguchi, Mamoru Komachi, Yuji Matsumoto.
Proceedings of the 8th Workshop on Innovative Use of NLP for Building Educational Applications: NLI-2013 Shared Task
Atlanta, GA, June 2013.
Paper | BibTex

Construction of English MWE Dictionary and its Application to POS Tagging
Yutaro Shigeto, Ai Azuma, Sorami Hisamoto, Shuhei Kondo, Tomoya Kose, Keisuke Sakaguchi, Akifumi Yoshimoto, Frances Yung and Yuji Matsumoto.
Proceedings of the 9th Workshop on Multiword Expressions (MWE 2013)
Atlanta, GA, June 2013.
Paper | BibTex

Distractor Generation for ESL Leaners using Discriminative Model
Keisuke Sakaguchi, Yuki Arase, Mamoru Komachi.
Microsoft Research Asia, Japan CORE Project Workshop 2013
Beijing, China, May 2013.

2012

Joint English Spelling Error Correction and POS Tagging for Language Learners Writing
Keisuke Sakaguchi, Tomoya Mizumoto, Mamoru Komachi and Yuji Matsumoto.
Proceedings of the 24th International Conference on Computational Linguistics (COLING 2012)
Mumbai, India, December 2012.
Paper | BibTex | Slide

NAIST at the HOO 2012 Shared Task
Keisuke Sakaguchi, Yuta Hayashibe, Shuhei Kondo, Lis Kanashiro, Tomoya Mizumoto, Mamoru Komachi, Yuji Matsumoto.
Proceedings of the 7th Workshop on Innovative Use of NLP for Building Educational Applications: Helping Our Own (HOO-2012) Shared Task on Preposition and Determiner Error Correction
Montreal, Canada, June 2012.
Paper | BibTex | Poster

Contextual Spelling Correction for Preposition and Determiner Error Correction
Keisuke Sakaguchi, Yuta Hayashibe, Shuhei Kondo, Lis Kanashiro, Tomoya Mizumoto, Mamoru Komachi, Yuji Matsumoto.
Microsoft Research Asia, Japan CORE Project Workshop 2012
Tokyo, Japan, June 2012.