| 2026 | EACL | Automatic Generation of a Compositional QA Benchmark for Geospatial Reasoning under Spatial and Entity Constraints. | Tetsuhisa Suizu, Shohei Higashiyama, Hiroyuki Shindo, Hiroki Ouchi, Sakriani Sakti |
| 2025 | ACL | Graph-Structured Trajectory Extraction from Travelogues. | Aitaro Yamamoto, Hiroyuki Otomo, Hiroki Ouchi, Shohei Higashiyama, Hiroki Teranishi, Hiroyuki Shindo, Taro Watanabe |
| 2025 | COLING | A Text Embedding Model with Contrastive Example Mining for Point-of-Interest Geocoding. | Hibiki Nakatani, Hiroki Teranishi, Shohei Higashiyama, Yuya Sawada, Hiroki Ouchi, Taro Watanabe |
| 2025 | EMNLP | Comprehensive Evaluation on Lexical Normalization: Boundary-Aware Approaches for Unsegmented Languages. | Shohei Higashiyama, Masao Utiyama |
| 2024 | EACL | 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 |
| 2021 | NAACL | User-Generated Text Corpus for Evaluating Japanese Morphological Analysis and Lexical Normalization. | Shohei Higashiyama, Masao Utiyama, Taro Watanabe, Eiichiro Sumita |
| 2019 | NAACL | Incorporating Word Attention into Character-Based Word Segmentation. | Shohei Higashiyama, Masao Utiyama, Eiichiro Sumita, Masao Ideuchi, Yoshiaki Oida, Yohei Sakamoto, Isaac Okada |
| 2017 | FedCSIS | Event Relation Acquisition Using Dependency Patterns and Confidence-Weighted Co-occurrence Statistics. | Shohei Higashiyama, Kunihiko Sadamasa, Takashi Onishi, Yotaro Watanabe |
| 2013 | ACL | Developing ML-based Systems to Extract Medical Information from Japanese Medical History Summaries. | Shohei Higashiyama, Kazuhiro Seki, Kuniaki Uehara |