Hirokazu Kiyomaru

I am a Ph.D. student at Kyoto University and working in the Natural Language Processing Lab. My research interests are in knowledge acquisition and its application.


Education

Kyoto University

Ph.D.

Supervisor: Sadao Kurohashi

April 2019 - Present

Kyoto University

M.D.

Supervisor: Sadao Kurohashi

April 2017 - March 2019

Doshisha University

B.D.

Supervisor: Marie Katsurai

April 2013 - March 2017

Fukuyama Seishikan High School

April 2010 - March 2013

Experience

Teaching Assistant

Kyoto University, Kyoto

Assist students in learning C so that they can implement a neural network-based image classification program from scratch.

April 2020 - July 2020

Teaching Assistant

Kyoto University, Kyoto

Assist students in learning C so that they can implement a neural network-based image classification program from scratch.

April 2019 - July 2019

Teaching Assistant

Kyoto University, Kyoto

Assist students in learning C so that they can implement a neural network-based image classification program from scratch.

April 2018 - July 2018

Teaching Assistant

Kyoto University, Kyoto

Assist students in learning numerical simulation using C.

October 2017 - February 2017

Intern

Cookpad, Tokyo

Work on classifying recipe data and normalizing ingredient names.

September 2017

Intern

Wantedly, Tokyo

Work on benchmarking a graph database.

August 2017

Intern

Dwango Artificial Intelligence Laboratory, Tokyo

Work on developing a visualization tool for brain-inspired cognitive architectures.

March 2016

Publications

Hirokazu Kiyomaru and Sadao Kurohashi.

Minimally-Supervised Joint Learning of Event Volitionality and Subject Animacy Classification

In Proceedings of the AAAI Conference on Artificial Intelligence (AAAI), Online, February 2022.

Hirokazu Kiyomaru and Sadao Kurohashi.

Contextualized and Generalized Sentence Representations by Contrastive Self-Supervised Learning: A Case Study on Discourse Relation Analysis.

In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT), pp. 5578-5584, Online, June 2021.

[paper]

Akiko Aizawa, Frederic Bergeron, Junjie Chen, Fei Cheng, Katsuhiko Hayashi, Kentaro Inui, Hiroyoshi Ito, Daisuke Kawahara, Masaru Kitsuregawa, Hirokazu Kiyomaru, Masaki Kobayashi, Takashi Kodama, Sadao Kurohashi, Qianying Liu, Masaki Matsubara, Yusuke Miyao, Atsuyuki Morishima, Yugo Murawaki, Kazumasa Omura, Haiyue Song, Eiichiro Sumita, Shinji Suzuki, Ribeka Tanaka, Yu Tanaka, Masashi Toyoda, Nobuhiro Ueda, Honai Ueoka, Masao Utiyama, and Ying Zhong.

A System for Worldwide COVID-19 Information Aggregation.

In Proceedings of the 1st Workshop on NLP for COVID-19 (Part 2) at EMNLP 2020, Online, December 2020.

[paper]

Hirokazu Kiyomaru, Kazumasa Omura, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi.

Diversity-aware Event Prediction based on a Conditional Variational Autoencoder with Reconstruction.

In Proceedings of the First Workshop on Commonsense Inference in Natural Language Processing (COIN), pp. 113-122, Hong Kong, November 2019.

[paper][code]

Katsuyoshi Yamagami, Hirokazu Kiyomaru and Sadao Kurohashi.

Knowledge-based Dialog Approach for Exploring User's Intention.

In Proceedings of FAIM/ISCA Workshop on Artificial Intelligence for Multimodal Human Robot Interaction, pp. 53-56, Stockholm, Sweden, 2018.

[paper]

Naoki Otani, Hirokazu Kiyomaru, Daisuke Kawahara and Sadao Kurohashi.

Cross-lingual Knowledge Projection Using Machine Translation and Target-side Knowledge Base Completion.

In Proceedings of the 27th International Conference on Computational Linguistics (COLING), pp. 1508–1520, Santa Fe, New Mexico, US, 2018.

[paper][code]

Hirokazu Kiyomaru, Masahiko Osawa and Hiroshi Yamakawa.

BiCAmon: Activity monitoring tool on 3D connecome structures for various cognitive architectures.

In Proceedings of Neuroinformatics 2016, pp 49-53, Reading, United Kingdom, 2016.

[abstract]


Awards

  • Doshisha University Excellent Student Award 2015 (February 2016)
  • 1st Place - DHacks, a hackathon held at Doshisha University (September 2015)
  • 1st Place - TOYOTA HSR Hackathon 2015 (September 2015)