Crypto-LLM: Two-Stage Language Model Pre-training with Ciphered and Natural Language Data. - Yohei Kobashi; Fumiya Uchiyama; Takeshi Kojima; Andrew Gambardella; Qi Cao; Yusuke Iwasawa; Yutaka Matsuo (IJCNLP-AACL (long papers), 2025)

GraphRAG with Knowledge Graphs for Question Answering on Administrative Meeting Records. - Kumi Ushio; Daichi Tsuji; Yohei Kobashi (ISWC (Industry/Doctoral Consortium/Posters/Demos), 2025)

ClinDet-Bench: Beyond Abstention, Evaluating Judgment Determinability of LLMs in Clinical Decision-Making. - Yusuke Watanabe; Yohei Kobashi; Takeshi Kojima; Yusuke Iwasawa; Yasushi Okuno; Yutaka Matsuo (CoRR, 2026)