Japan

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NECの研究者

2019年10月31日

平岡 拓也 （Takuya Hiraoka）

平岡 拓也の写真

研究分野

  • 対話システム
  • 強化学習
  • ゲーム理論

Journals

査読あり

  • Katsumi Hisao, Koichiro Yoshino, Takuya Hiraoka, Kosuke Akimoto, Kazeto Yamamoto, Shota Motoura, Kunihiko Sadamasa, Satoshi Nakamura. Optimization of Information-Seeking Dialogue Strategy for Argumentation-Based Dialogue System (in Japanese). Journal of The Japanese Society for Artificial Intelligence, 2020.

学会発表

論文誌

  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Learning cooperative persuasive dialogue policies using framing, Speech Communication, Vol. 84, pp. 83--96, Elsevier, 2016
  • Takuya Hiraoka, Kallirroi Georgila, Elnaz Nouri, David Traum, Satoshi Nakamura. Reinforcement Learning of Multi-Party Trading Dialog Policies, Transactions of the Japanese Society for Artificial Intelligence, Vol. 31, No. 4, 2016

査読付き会議・ワークショップ

  • Kosuke Akimoto, Takuya Hiraoka, Kunihiko Sadamasa, and Mathias Niepert. Cross-Sentence N-ary Relation Extraction using Lower-Arity Universal Schemas. The 2019 Conference on Empirical Methods in Natural Language Processing (EMNLP 2019), 2019.
  • Takuya Hiraoka, Takahisa Imagawa, Tatsuya Mori, Takashi Onishi, Yoshimasa Tsuruoka. Learning Robust Options by Conditional Value at Risk Optimization. Thirty-third Conference on Neural Information Processing System (NeurIPS), 2019.
  • Seydou Ba, Takuya Hiraoka, Takashi Onishi, Toru Nakata, Yoshimasa Tsuruoka. Monte Carlo Tree Search with Scalable Simulation Periods for Continuously Running Tasks. 31st International Conference on Tools with Artificial Intelligence (ICTAI), 2019.
  • Takahisa Imagawa, Takuya Hiraoka, Yoshimasa Tsuruoka. Optimistic Proximal Policy Optimization. ICML 2019 Workshop on Exploration in RL (ERL 2019), 2019.
  • Hisao Katsumi, Takuya Hiraoka, Koichiro Yoshino, Kazeto Yamamoto, Shota Motoura, Kunihiko Sadamasa and Satoshi Nakamura. Optimization of Information-Seeking Dialogue Strategy for Argumentation-Based Dialogue System. The Thirty-Third AAAI Conference on Artificial Intelligence, Workshop on Reasoning and Learning for Human-Machine Dialogues (DEEP-DIAL 2019), January, 2019.
  • Takuya Hiraoka, Shota Motoura, and Kunihiko Sadamasa. Detecticon: A Prototype Inquiry Dialog System. the Ninth International Workshop on Spoken Dialogue Systems Technology (IWSDS 2018), 2018/05/16.
  • Seydou Ba, Takuya Hiraoka, Takashi Onishi, Toru Nakata and Yoshimasa Tsuruoka. Monte Carlo Tree Search with Scalable Simulation Periods. IJCAI 2018 Workshop on Planning and Learning, 2018.
  • Takuya Hiraoka, Takashi Onishi, and Yoshimasa Tsuruoka. Refining Human-Designed Symbol Grounding and High-Level Planning by Policy Gradient. IJCAI 2018 Workshop on Learning and Reasoning, 2018.
  • Yuiko Tsunomori, Graham Neubig, Takuya Hiraoka, Masahiro Mizukai, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. A Dialog System to Detect Deception. 7th International Workshop on Spoken Dialog Systems (IWSDS). January 2016.
  • Takuya Hiraoka, Graham Neubig, Koichiro Yoshino, Tomoki Toda, Satoshi Nakamura. Active Learning for Example-based Dialog Systems. 7th International Workshop on Spoken Dialog Systems (IWSDS). January 2016.
  • Koichiro Yoshino, Takuya Hiraoka, Graham Neubig, Satoshi Nakamura. Dialogue State Tracking using Long Short Term Memory Neural Networks. 7th International Workshop on Spoken Dialog Systems (IWSDS). January 2016.
  • Takuya Hiraoka, Kallirroi Georgila, Elnaz Nouri, David Traum, Satoshi Nakamura. Reinforcement Learning in Multi-Party Trading Dialog. The 16th Annual SIGdial Meeting on Discourse and Dialogue (SIGDIAL). September 2015.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Evaluation of a Fully Automatic Cooperative Persuasive Dialogue System. The 6th International Workshop on Spoken Dialog Systems (IWSDS). January 2015.
  • Riki Yoshida, Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Unnecessary Utterance Detection for Avoiding Digressions in Discussion. Asia Pacific Signal and Information Processing Association (APSIPA). December 2014.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Reinforcement Learning of Cooperative Persuasive Dialogue Policies using Framing. The 25th International Conference on Computational Linguistics (COLING), August 2014.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Construction and Analysis of a Persuasive Dialogue Corpus. The 5th International Workshop on Spoken Dialog Systems (IWSDS), January 2014.
  • Takuya Hiraoka, Yuki Yamauchi, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Dialogue Management for Leading the Conversation in Persuasive Dialogue Systems. Automatic Speech Recognition and Understanding Workshop (ASRU), December 2013.

査読なし会議

  • Yukiko Tanaka, Takuya Hiraoka, Yoshimasa Tsuruoka. Learning Interpretable Control Policies with Decision Trees via the Cross-Entropy Method (in Japanese). Annual Conference on the Japanese Society for Artificial Intelligence (JSAI), 2019.
  • Hisao Katsumi, Takuya Hiraoka, Shota Motoura, Kazeto Yamamoto, Kunihiko Sadamasa, Koichiro Yoshino, Satoshi Nakamura. 深層強化学習を用いた論証構築のための情報探索対話戦略の最適化 (In Japanese). RSJ, 2018.
  • 勝見久央, 平岡拓也, 本浦庄太, 山本風人, 定政邦彦, 吉野幸一郎, 中村哲. 論証構築のための情報探索対話戦略の最適化. 言語処理学会第24回年次大会, 2018.
  • 田中友紀子, 平岡拓也, 大西貴士, 鶴岡慶雅, 滝野晶平, 松本陽介. 電力ダム操作における強化学習型シンボルグラウンディングによる意思決定支援に関する検討. 2018年度人工知能学会全国大会（第32回）, 2018.
  • Yoko Ishikawa, Takuya Hiraoka, Masahiro Mizukami, Koichiro Yoshino, Graham Neubig, Satoshi Nakamura. 対話状態推定のための外部知識ベースを利用した意味的素性の提案 (In Japanese). SIG-SLP, December 2015. Student poster award
  • Yuiko Tsunomori, Graham Neubig, Sakriani Sakti, Takuya Hiraoka, Masahiro Mizukami, Tomoki Toda, Satoshi Nakamura. A Dialog System to Detect Deception (In Japanese). SIG-SLUD, October 2015.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Construction and Evaluation of a Cooperative Persuasive Dialog System with Natural Language Understanding and Natural Language Generation (in Japanese). The 29th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI), May 2015.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Reinforcement Learning of Cooperative Persuasive Dialogue Policies using Framing (in Japanese). Autumn Conference on Acoustical Society of Japan (ASJ), September 2014.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Construction and Analysis of a Persuasive Dialogue Corpus (in Japanese). The 95th meeting of IPSJ Special Interest Group on Spoken Language Processing (SIG-SLP), December 2013.
  • Takuya Hiraoka, Yuki Yamauchi, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Persuasive Dialogue System with Dialogue Manager and Natural Language Generation Considering Guiding Users to Target Topics (in Japanese). Annual Conference on the Japanese Society for Artificial Intelligence (JSAI), June 2013.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Analysis of a Dialogue Corpus for Construction of Persuasive Dialogue Systems (in Japanese). Spring Conference on Acoustical Society of Japan (ASJ), March 2013.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Dialog Management Based on Guiding Users to New Topics in Persuasive Dialogue Systems (in Japanese). The 95th meeting of IPSJ Special Interest Group on Spoken Language Processing (SIG-SLP), December 2012.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. Examination for the Dialogue Management for the Persuasive Dialogue System (in Japanese). Autumn Conference on Acoustical Society of Japan (ASJ), September 2012.

その他

  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. “Construction and Analysis of a Persuasive Dialogue Corpus” in “Situated Dialogue in Speech-Based Computer Interaction“. Rudnicky, A., Raux, A., Lane, I., Misu, T., Springer, 2016.
  • Takuya Hiraoka, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura. “Evaluation of a Fully Automatic Cooperative Persuasive Dialogue System” in “Natural Language Dialog Systems and Intelligent Assistants”. G. G. Lee, H. K. Kim, M. Jeong, J.-H. Kim, Springer, 2015.

略歴

2011年3月
近畿大学理工学部情報学科 卒業
2013年3月
奈良先端科学技術大学院大学情報科学研究科博士前期課程　修了
2016年3月
奈良先端科学技術大学院大学情報科学研究科博士後期課程　単位取得退学
2016年4月
日本電気 入社
2016年9月
奈良先端科学技術大学院大学より博士号(工学)　取得
2016年11月
産業技術総合研究所 特定集中研究専門員　兼務

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