研究業績 publications
著作・発表publications
2026
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AAAI (招待講演)Can We Teach Logical Reasoning to LLMs? – An Approach Using Synthetic CorporaIn AAAI Bridge Program "Logical and Symbolic Reasoning in Language Models" keynote speech, 2026
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招待講演 (最優秀論文賞)
2025
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YANS2025 (招待講演)
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IBIS
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arXiv
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自然言語処理 (最優秀論文賞)
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人工知能学会 (優秀賞)
2024
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NeurIPSEnhancing Reasoning Capabilities of LLMs via Principled Synthetic Logic CorpusIn Annual Conference on Neural Information Processing Systems, 2024, 採択率25.8%Acceptance rate 25.8%
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NLPコロキウム (招待講演)
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IBIS
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人工知能学会
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LREC-COLINGJFLD: A Japanese Benchmark for Deductive Reasoning based on Formal LogicIn Proceedings of the Joint International Conference on Computational Linguistics, Language Resources and Evaluation, 2024, 採択率52%Acceptance rate 52%
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言語処理学会
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AAAI (demo)CHICOT: A Developer-Assistance Toolkit for Code Search with High-Level Contextual InformationIn Annual AAAI Conference on Artificial Intelligence, 2024
2023
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arXivappjsonify: An Academic Paper PDF-to-JSON Conversion ToolkitarXiv preprint, 2023
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CIKMLARCH: Large Language Model-based Automatic Readme Creation with HeuristicsIn The Conference on Information and Knowledge Management, 2023, 採択率27%Acceptance rate 27%
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INLGControlling keywords and their positions in text generationIn International Conference on Natural Language Generation, 2023, 採択率35.3%Acceptance rate 35.3%
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ACL (findings)How does the task complexity of masked pretraining objectives affect downstream performance?In Findings of the Association for Computational Linguistics: ACL, 2023, 採択率40.6%Acceptance rate 40.6%
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ACL (SRW)How do different tokenizers perform on downstream tasks in scriptio continua languages?: A case study in JapaneseIn 61st Annual Meeting of the Association for Computational Linguistics: Student Research Workshop, 2023, 採択率32.1%Acceptance rate 32.1%
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人工知能学会
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人工知能学会
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人工知能学会 (優秀賞)
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ICMLLearning Deductive Reasoning from Synthetic Corpus based on Formal LogicIn International Conference on Machine Learning, 2023, 採択率27.9%Acceptance rate 27.9%
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言語処理学会
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言語処理学会
2022
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ICML (Spotlight=上位5%)Rethinking Fano’s Inequality in Ensemble LearningIn International Conference on Machine Learning, 2022, Spotlight (上位5%), 採択率21.9%Acceptance rate 21.9%
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人工知能学会
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TACLEnd-to-end Argument Mining with Cross-corpora Multi-task LearningTransactions of the Association for Computational Linguistics, 2022
2021
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AAAIi-Parser: Interactive Parser Development Kit for Natural Language ProcessingIn Proceedings of the AAAI Conference on Artificial Intelligence, 2021
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EACLProject-then-transfer: Effective two-stage cross-lingual transfer for semantic dependency parsingIn 16th Conference of the European Chapter of the Association for Computational Linguistics, 2021, 採択率24.7%Acceptance rate 24.7%
2020
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SemEval (1st prize)Hitachi at SemEval-2020 Task 3: Exploring the representation spaces of transformers for human sense word similarityIn Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020, 1st prize
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SemEval (1st prize, Oral)Hitachi at SemEval-2020 task 7: Stacking at scale with heterogeneous language models for humor recognitionIn Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020, Oral, 1st prize
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SemEval (2nd prize)Hitachi at SemEval-2020 task 8: Simple but effective modality ensemble for meme emotion recognitionIn Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020, 2nd prize
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SemEval (1st prize)Hitachi at SemEval-2020 Task 10: Emphasis Distribution Fusion on Fine-Tuned Language ModelsIn Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020, 2nd prize
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SemEval (1st prize)Hitachi at SemEval-2020 task 11: An empirical study of pre-trained transformer family for propaganda detectionIn Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020, 1st prize
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CoNLL (1st prize)Hitachi at MRP 2020: Text-to-graph-notation transducerIn Proceedings of the CoNLL Shared Task: Cross-Framework Meaning Representation Parsing, 2020, 1st prize
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ACLTowards better non-tree argument mining: Proposition-level biaffine parsing with task-specific parameterizationIn Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics, 2020, 採択率22.7%Acceptance rate 22.7%
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人工知能学会
2019
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CoNLLHitachi at MRP 2019: Unified Encoder-to-Biaffine Network for Cross-Framework Meaning Representation ParsingIn Proceedings of the Shared Task on Cross-Framework Meaning Representation Parsing at the Conference on Natural Language Learning, 2019
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人工知能学会
メディアmedia
2024
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プレスリリース
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取材,日経ロボティクス
2023
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取材,日経ロボティクス
2020
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プレスリリース
2019
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取材
OSSoss
2023
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OSSFLD: A project to teach language models deductive reasoning via synthetic corpus based on formal logic theorygithub.com, 2023
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OSS
2022
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OSSEnsemble Metrics: A set of theoretically well-grounded metrics to measure an ensemble methodgithub.com, 2022