Publications
PAPERS
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, Masashi Toyoda
EMNLP 2022 Findings
EASE: Entity-Aware Contrastive Learning of Sentence Embedding
Sosuke Nishikawa, Ryokan Ri, Ikuya Yamada, Yoshimasa Tsuruoka, Isao Echizen
NAACL 2022
mLUKE: The Power of Entity Representations in Multilingual Pretrained Language Models
Ryokan Ri, Ikuya Yamada, Yoshimasa Tsuruoka
ACL 2022
Efficient Passage Retrieval with Hashing for Open-domain Question Answering
Ikuya Yamada, Akari Asai, Hannaneh Hajishirzi
ACL 2021
LUKE: Deep Contextualized Entity Representations with Entity-aware Self-attention
Ikuya Yamada, Akari Asai, Hiroyuki Shindo, Hideaki Takeda, Yuji Matsumoto
EMNLP 2020
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, Yuji
Matsumoto
EMNLP (system demonstrations) 2020
Neural Attentive Bag-of-Entities Model for Text Classification
Ikuya Yamada, Hiroyuki Shindo
CoNLL 2019
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
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
First NIPS 17 Competition, The Springer Series on Challenges in Machine Learning 2018
Learning Distributed Representations of Texts and Entities from Knowledge Base
Ikuya Yamada, Hiroyuki Shindo, Hideaki Takeda, Yoshiyasu Takefuji
TACL 2017
Segment-Level Neural Conditional Random Fields for Named Entity Recognition
Motoki Sato, Hiroyuki Shindo, Ikuya Yamada, Yuji Matsumoto
IJCNLP 2017
Named Entity Disambiguation for Noisy Text
Yotam Eshel, Noam Cohen, Kira Radinsky, Shaul Markovitch, Ikuya Yamada, Omer Levy
CoNLL 2017
AWARDS
- 2nd Place: NeurIPS 2020 EfficientQA Competition (Systems Under 6GB Track), 2020
- Winner: NIPS 2017 Human-Computer Question Answering Competition, 2017
- 2nd Place: WSDM Cup 2017 Triple Scoring Task, 2017
- Winner: Shared Task in NAACL 2016 Workshop on Human-Computer QA, 2016
- Winner: Shared Task #1 in ACL 2015 Workshop on Noisy User-generated Text, 2015
- Winner: NEEL Challenge in WWW 2015 Workshop on Making Sense of Microposts, 2015