Scholar
Hayato Tsukagoshi
Google Scholar ID: 3xeQ7VYAAAAJ
Kotoba Technologies Japan. Graduate School of Informatics, Nagoya University
Citations & Impact
Citations
81
H-index
5
i10-index
3
Publications
9
Co-authors
5
list available
Publications
Resume (English only)
Academic Achievements
- ACL 2024 SRW: 'Improving Sentence Embeddings with Automatic Generation of Training Data Using Few-shot Examples'
- LREC-COLING 2024: 'WikiSplit++: Easy Data Refinement for Split and Rephrase'
- EACL 2024 (Main): 'Sentence Representations via Gaussian Embedding'
- 'Sentence Embeddings using Definition Sentences', Journal of Natural Language Processing Vol.30 No.1 (Best Paper Award)
- *SEM 2022: 'Comparison and Combination of Sentence Embeddings Derived from Different Supervision Signals'
- ACL-IJCNLP 2021 Main Conference (Acceptance rate: 21.3%): 'DefSent: Sentence Embeddings using Definition Sentences'
- arXiv 2024: 'Ruri: Japanese General Text Embeddings'
- NLP2024: 'Improving Unsupervised Sentence Embeddings Using Automatically Generated NLI Data'
- arXiv 2023: 'Japanese SimCSE Technical Report'
- 256th Natural Language Processing Workshop: 'Progressive Efficiency Improvement in Compound Discovery Using Scientific Literature'
- NLP2023: 'Sentence Representation Generation Based on Gaussian Embedding' (Shohei Yoda received Young Researcher Award)
- NLP2022: 'Improving Generated Sentence Quality in Split and Rephrase Using NLI and Regenerator'
- NLP2021: 'A Method for Constructing Sentence Embeddings Using Definition Sentences'
Research Experience
- May 2025–Present: Kotoba Technologies Japan, Full-time ML Engineer
- Dec 2024–May 2025: SB Intuitions Corp., Research Engineer
- Nov 2023–Jun 2024: Preferred Elements, Inc., Part-time Research Engineer
- Jul 2023–Jun 2024: Preferred Networks, Inc., Research Engineer (Intern/Part-time)
- Oct 2022–Mar 2023: Contributor, State of AI Guide
- Jun 2021–Mar 2024: Research Assistant, Moonshot R&D Project 'Observation and Interpretation AI Based on Prior Knowledge'
- Aug 2021–Sep 2021: Research Intern, NTT CS Lab. (NLP / Python)
- May 2021–Aug 2021: Software Engineering Intern, Mercari Inc. (ML, Search / Go, Python)
- Apr 2021–May 2021: Server-side Engineering Intern, pixiv Inc. (Novel Team, Search System / Python, PHP)
- Feb 2021–Mar 2021: Server-side Engineering Intern, Recruit Co., Ltd. (Search System / Elasticsearch, AES, Locust)
- Jun 2020–Jun 2021: Writer, AI-SCHOLAR
- Mar 2020: Server-side Engineering Intern, CyberAgent Inc. (Scala, Akka, AWS)
- Jan 2020–Mar 2020: Server-side Engineer, Ateam Inc. (In-house management system / Rails, Vue.js)
- Sep 2019: Server-side Engineering Intern, TeamLab Inc. (API with postal codes and geometry / Go, MySQL, AWS)
- Apr 2019–Nov 2019: R&D Engineer Intern, TRYETING Inc. (Time Series Forecasting, Denoising / Python, R)
