Evaluating the helpfulness of linked entities to readers. - Ikuya Yamada; Tomotaka Ito; Shinnosuke Usami; Shinsuke Takagi; Hideaki Takeda 001; Yoshiyasu Takefuji (HT, 2014)

Enhancing Named Entity Recognition in Twitter Messages Using Entity Linking. - Ikuya Yamada; Hideaki Takeda 001; Yoshiyasu Takefuji (NUT@IJCNLP, 2015)

An End-to-End Entity Linking Approach for Tweets. - Ikuya Yamada; Hideaki Takeda 001; Yoshiyasu Takefuji (#MSM, 2015)

Joint Learning of the Embedding of Words and Entities for Named Entity Disambiguation. - Ikuya Yamada; Hiroyuki Shindo; Hideaki Takeda 001; Yoshiyasu Takefuji (CoNLL, 2016)

Similarity Matrix Model for the NTCIR-12 MedNLPDoc Task. - Yuichiro Sawai; Mai Omura; Hiroki Ouchi; Yuki Nagai; Masashi Yoshikawa; Ikuya Yamada (NTCIR, 2016)

Named Entity Disambiguation for Noisy Text. - Yotam Eshel; Noam Cohen; Kira Radinsky; Shaul Markovitch; Ikuya Yamada; Omer Levy (CoNLL, 2017)

Segment-Level Neural Conditional Random Fields for Named Entity Recognition. - Motoki Sato; Hiroyuki Shindo; Ikuya Yamada; Yuji Matsumoto 001 (IJCNLP(2), 2017)

Ensemble of Neural Classifiers for Scoring Knowledge Base Triples. - Ikuya Yamada; Motoki Sato; Hiroyuki Shindo (CoRR, 2017)

Learning Distributed Representations of Texts and Entities from Knowledge Base. - Ikuya Yamada; Hiroyuki Shindo; Hideaki Takeda 001; Yoshiyasu Takefuji (Trans. Assoc. Comput. Linguistics, 2017)

Representation Learning of Entities and Documents from Knowledge Base Descriptions. - Ikuya Yamada; Hiroyuki Shindo; Yoshiyasu Takefuji (COLING, 2018)

Studio Ousia's Quiz Bowl Question Answering System. - Ikuya Yamada; Ryuji Tamaki; Hiroyuki Shindo; Yoshiyasu Takefuji (CoRR, 2018)

Wikipedia2Vec: An Optimized Tool for Learning Embeddings of Words and Entities from Wikipedia. - Ikuya Yamada; Akari Asai; Hiroyuki Shindo; Hideaki Takeda 001; Yoshiyasu Takefuji (CoRR, 2018)

Linkify: Enhancing Text Reading Experience by Detecting and Linking Helpful Entities to Users. - Ikuya Yamada; Tomotaka Ito; Hideaki Takeda 001; Yoshiyasu Takefuji (IEEE Intell. Syst., 2018)

Neural Attentive Bag-of-Entities Model for Text Classification. - Ikuya Yamada; Hiroyuki Shindo (CoNLL, 2019)

Multi-Task Transfer Learning for Fine-Grained Named Entity Recognition. - Masato Hagiwara; Ryuji Tamaki; Ikuya Yamada (TAC, 2019)

Pre-training of Deep Contextualized Embeddings of Words and Entities for Named Entity Disambiguation. - Ikuya Yamada; Hiroyuki Shindo (CoRR, 2019)

Trick Me If You Can: Human-in-the-loop Generation of Adversarial Question Answering Examples. - Eric Wallace; Pedro Rodriguez 001; Shi Feng 005; Ikuya Yamada; Jordan L. Boyd-Graber (Trans. Assoc. Comput. Linguistics, 2019)

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 001; Yoshiyasu Takefuji; Yuji Matsumoto 001 (EMNLP (Demos), 2020)

LUKE: Deep Contextualized Entity Representations with Entity-aware Self-attention. - Ikuya Yamada; Akari Asai; Hiroyuki Shindo; Hideaki Takeda 001; Yuji Matsumoto 001 (EMNLP (1), 2020)

NeurIPS 2020 EfficientQA Competition: Systems, Analyses and Lessons Learned. - Sewon Min; Jordan L. Boyd-Graber; Chris Alberti; Danqi Chen 001; Eunsol Choi; Michael Collins 001; Kelvin Guu; Hannaneh Hajishirzi; Kenton Lee; Jennimaria Palomaki; Colin Raffel; Adam Roberts; et al. (NeurIPS (Competition and Demos), 2020)

Studio Ousia at the NTCIR-15 SHINRA2020-ML Task. - Sosuke Nishikawa; Ikuya Yamada (NTCIR, 2020)

Hierarchical Contextualized Representation Models for Answer Type Prediction. - Natthawut Kertkeidkachorn; Rungsiman Nararatwong; Phuc Nguyen 001; Ikuya Yamada; Hideaki Takeda 001; Ryutaro Ichise (SMART@ISWC, 2020)

MTab4Wikidata at SemTab 2020: Tabular Data Annotation with Wikidata. - Phuc Nguyen 001; Ikuya Yamada; Natthawut Kertkeidkachorn; Ryutaro Ichise; Hideaki Takeda 001 (SemTab@ISWC, 2020)

Efficient Passage Retrieval with Hashing for Open-domain Question Answering. - Ikuya Yamada; Akari Asai; Hannaneh Hajishirzi (ACL/IJCNLP (2), 2021)

Demonstration of MTab: Tabular Data Annotation with Knowledge Graphs. - Phuc Nguyen 001; Ikuya Yamada; Natthawut Kertkeidkachorn; Ryutaro Ichise; Hideaki Takeda 001 (ISWC (Posters/Demos/Industry), 2021)

SemTab 2021: Tabular Data Annotation with MTab Tool. - Phuc Nguyen 001; Ikuya Yamada; Natthawut Kertkeidkachorn; Ryutaro Ichise; Hideaki Takeda 001 (SemTab@ISWC, 2021)

mLUKE: The Power of Entity Representations in Multilingual Pretrained Language Models. - Ryokan Ri; Ikuya Yamada; Yoshimasa Tsuruoka (ACL (1), 2022)

A Multilingual Bag-of-Entities Model for Zero-Shot Cross-Lingual Text Classification. - Sosuke Nishikawa; Ikuya Yamada; Yoshimasa Tsuruoka; Isao Echizen (CoNLL, 2022)

Entity Embedding Completion for Wide-Coverage Entity Disambiguation. - Daisuke Oba; Ikuya Yamada; Naoki Yoshinaga 001; Masashi Toyoda (EMNLP (Findings), 2022)

EASE: Entity-Aware Contrastive Learning of Sentence Embedding. - Sosuke Nishikawa; Ryokan Ri; Ikuya Yamada; Yoshimasa Tsuruoka; Isao Echizen (NAACL-HLT, 2022)

Global Entity Disambiguation with BERT. - Ikuya Yamada; Koki Washio; Hiroyuki Shindo; Yuji Matsumoto 001 (NAACL-HLT, 2022)

MIA 2022 Shared Task: Evaluating Cross-lingual Open-Retrieval Question Answering for 16 Diverse Languages. - Akari Asai; Shayne Longpre; Jungo Kasai; Chia-Hsuan Lee 001; Rui Zhang 037; Junjie Hu 001; Ikuya Yamada; Jonathan H. Clark; Eunsol Choi (CoRR, 2022)

LEIA: Facilitating Cross-lingual Knowledge Transfer in Language Models with Entity-based Data Augmentation. - Ikuya Yamada; Ryokan Ri (ACL (Findings), 2024)

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 001; Shoko Wakamiya; Naoya Inoue; Ikuya Yamada; Taro Watanabe (EACL (Findings), 2024)

Dynamic Injection of Entity Knowledge into Dense Retrievers. - Ikuya Yamada; Ryokan Ri; Takeshi Kojima; Yusuke Iwasawa; Yutaka Matsuo (CoRR, 2025)