Books

  1. Introduction to Large Language Models II (in Japanese)
    Ikuya Yamada, Masatoshi Suzuki, Sosuke Nishikawa, Kazuki Fujii, Kosuke Yamada, Linghan Li
    Gijutsu-Hyoron Co., Ltd.. 2024.
  2. Introduction to Large Language Models (in Japanese)
    Ikuya Yamada, Masatoshi Suzuki, Kosuke Yamada, Linghan Li
    Gijutsu-Hyoron Co., Ltd.. 2023.
  3. Natural Language Processing with Deep Learning (in Japanese)
    Ikuya Yamada, Tomohide Shibata, Hiroyuki Shindo, Ryuji Tamaki
    Kyoritsu Shuppan Co., Ltd.. 2023.
  4. Natural Language Processing (in Japanese)
    Jun Suzuki, Seiji Tsuchiya, Kazutaka Motohashi, Kanji Takahashi, Akihiro Tamura, Ikuya Yamada, Kenji Araki, Shinsuke Mori, Shinichi Watanabe, Shin Hara, Tomoya Mizumoto, Takeshi Shimizu
    Joho Kiko Co., Ltd.. 2020.
  5. Introduction to Machine Learning Programming in Python (in Japanese)
    Tatsuro Shimada, Naoto Koshimizu, Atsushi Hayakawa, Ikuya Yamada
    Gijutsu-Hyoron Co., Ltd.. 2019.

Journal Articles

  1. Weakly supervised named entity recognition using thesaurus with hierarchical structure
    Takayoshi Shibahara, Ikuya Yamada, Noriki Nishida, Hiroki Teranishi, Kouji Kozaki, Yuji Matsumoto
    Journal of Natural Language Processing. 2024.
  2. Trick me if you can: Human-in-the-loop generation of adversarial examples for question answering
    Eric Wallace, Pedro Rodriguez, Shi Feng, Ikuya Yamada, Jordan Boyd-Graber
    TACL. 2019.
  3. Linkify: Enhancing text reading experience by detecting and linking helpful entities to users
    Ikuya Yamada, Tomotaka Ito, Hideaki Takeda, Yoshiyasu Takefuji
    IEEE Intelligent Systems. 2018.
  4. Learning distributed representations of texts and entities from knowledge base
    Ikuya Yamada, Hiroyuki Shindo, Hideaki Takeda, Yoshiyasu Takefuji
    TACL. 2017.

International Conference Papers

  1. Dynamic injection of entity knowledge into dense retrievers
    Ikuya Yamada, Ryokan Ri, Takeshi Kojima, Yusuke Iwasawa, Yutaka Matsuo
    EMNLP Findings. 2025.
  2. LEIA: Facilitating cross-lingual knowledge transfer in language models with entity-based data augmentation
    Ikuya Yamada, Ryokan Ri
    ACL Findings. 2024.
  3. Arukikata travelogue dataset with geographic entity mention, coreference, and link annotation
    Shohei Higashiyama, Hiroki Ouchi, Hiroki Teranishi, Hiroyuki Otomo, Yusuke Ide, Aitaro Yamamoto, Hiroyuki Shindo, Yuki Matsuda, Shoko Wakamiya, Naoya Inoue, Ikuya Yamada, Taro Watanabe
    EACL Findings. 2024.
  4. Entity embedding completion for wide-coverage entity disambiguation
    Daisuke Oba, Ikuya Yamada, Naoki Yoshinaga, Masashi Toyoda
    EMNLP Findings. 2022.
  5. A multilingual bag-of-entities model for zero-shot cross-lingual text classification
    Sosuke Nishikawa, Ikuya Yamada, Yoshimasa Tsuruoka, Isao Echizen
    CoNLL. 2022.
  6. Global entity disambiguation with BERT
    Ikuya Yamada, Koki Washio, Hiroyuki Shindo, Yuji Matsumoto
    NAACL. 2022.
  7. EASE: Entity-aware contrastive learning of sentence embedding
    Sosuke Nishikawa, Ryokan Ri, Ikuya Yamada, Yoshimasa Tsuruoka, Isao Echizen
    NAACL. 2022.
  8. mLUKE: The power of entity representations in multilingual pretrained language models
    Ryokan Ri, Ikuya Yamada, Yoshimasa Tsuruoka
    ACL. 2022.
  9. NeurIPS 2020 EfficientQA Competition: Systems, analyses and lessons learned
    Sewon Min, Jordan Boyd-Graber, Chris Alberti, Danqi Chen, Eunsol Choi, Michael Collins, Kelvin Guu, Hannaneh Hajishirzi, Kenton Lee, Jennimaria Palomaki, Colin Raffel, Adam Roberts, Tom Kwiatkowski, Patrick Lewis, Yuxiang Wu, Heinrich Küttler, Linqing Liu, Pasquale Minervini, Pontus Stenetorp, Sebastian Riedel, Sohee Yang, Minjoon Seo, Gautier Izacard, Fabio Petroni, Lucas Hosseini, Nicola De Cao, Edouard Grave, Ikuya Yamada, Sonse Shimaoka, Masatoshi Suzuki, Shumpei Miyawaki, Shun Sato, Ryo Takahashi, Jun Suzuki, other competition participants
    PMLR. 2021.
  10. Efficient passage retrieval with hashing for open-domain question answering
    Ikuya Yamada, Akari Asai, Hannaneh Hajishirzi
    ACL. 2021.
  11. LUKE: Deep contextualized entity representations with entity-aware self-attention
    Ikuya Yamada, Akari Asai, Hiroyuki Shindo, Hideaki Takeda, Yuji Matsumoto
    EMNLP. 2020.
  12. Wikipedia2Vec: An efficient toolkit for learning and visualizing the embeddings of words and entities from Wikipedia
    Ikuya Yamada, Akari Asai, Jin Sakuma, Hiroyuki Shindo, Hideaki Takeda, Yoshiyasu Takefuji
    EMNLP System Demonstrations. 2020.
  13. Neural attentive bag-of-entities model for text classification
    Ikuya Yamada, Hiroyuki Shindo
    CoNLL. 2019.
  14. Studio Ousia's quiz bowl question answering system
    Ikuya Yamada, Ryuji Tamaki, Hiroyuki Shindo, Yoshiyasu Takefuji
    The NIPS '17 Competition: Building Intelligent Systems. 2018.
  15. Representation learning of entities and documents from knowledge base descriptions
    Ikuya Yamada, Hiroyuki Shindo, Yoshiyasu Takefuji
    COLING. 2018.
  16. Segment-level neural conditional random fields for named entity recognition
    Motoki Sato, Hiroyuki Shindo, Ikuya Yamada, Yuji Matsumoto
    IJCNLP. 2017.
  17. Named entity disambiguation for noisy text
    Yotam Eshel, Noam Cohen, Kira Radinsky, Shaul Markovitch, Ikuya Yamada, Omer Levy
    CoNLL. 2017.
  18. Joint learning of the embedding of words and entities for named entity disambiguation
    Ikuya Yamada, Hiroyuki Shindo, Hideaki Takeda, Yoshiyasu Takefuji
    CoNLL. 2016.

International Workshop Papers

  1. MIA 2022 Shared Task: Evaluating cross-lingual open-retrieval question answering for 16 diverse languages
    Akari Asai, Shayne Longpre, Jungo Kasai, Chia-Hsuan Lee, Rui Zhang, Junjie Hu, Ikuya Yamada, Jonathan H. Clark, Eunsol Choi
    Workshop on Multilingual Information Access. 2022.
  2. SemTab 2021: Tabular data annotation with MTab tool
    Phuc Nguyen, Ikuya Yamada, Natthawut Kertkeidkachorn, Ryutaro Ichise, Hideaki Takeda
    Semantic Web Challenge on Tabular Data to Knowledge Graph Matching. 2021.
  3. Demonstration of MTab: Tabular data annotation with knowledge graphs
    Phuc Nguyen, Ikuya Yamada, Natthawut Kertkeidkachorn, Ryutaro Ichise, Hideaki Takeda
    ISWC Posters, Demos and Industry Tracks. 2021.
  4. Studio Ousia at the NTCIR-15 SHINRA2020-ML task
    Sosuke Nishikawa, Ikuya Yamada
    NTCIR Conference on Evaluation of Information Access Technologies. 2020.
  5. MTab4Wikidata at SemTab 2020: Tabular data annotation with Wikidata
    Phuc Nguyen, Ikuya Yamada, Natthawut Kertkeidkachorn, Ryutaro Ichise, Hideaki Takeda
    Semantic Web Challenge on Tabular Data to Knowledge Graph Matching. 2020.
  6. Hierarchical contextualized representation models for answer type prediction
    Natthawut Kertkeidkachorn, Rungsiman Nararatwong, Phuc Nguyen, Ikuya Yamada, Hideaki Takeda, Ryutaro Ichise
    ISWC Posters, Demos and Industry Tracks. 2020.
  7. Multi-task transfer learning for fine-grained named entity recognition
    Masato Hagiwara, Ryuji Tamaki, Ikuya Yamada
    Text Analysis Conference. 2019.
  8. Similarity matrix model for the NTCIR-12 MedNLPDoc task
    Yuichiro Sawai, Mai Omura, Hiroki Ouchi, Yuki Nagai, Masashi Yoshikawa, Ikuya Yamada
    NTCIR Conference on Evaluation of Information Access Technologies. 2016.
  9. Enhancing named entity recognition in Twitter messages using entity linking
    Ikuya Yamada, Hideaki Takeda, Yoshiyasu Takefuji
    Workshop on Noisy User-generated Text. 2015.
  10. An end-to-end entity linking approach for tweets
    Ikuya Yamada, Hideaki Takeda, Yoshiyasu Takefuji
    Workshop on Making Sense of Microposts. 2015.