UTokyo Tsuruoka Lab at SemEval-2026 Task 9: Efficient Single Forward Pass Inference for Multi-Label Polarization Classification Howard Tangkulung, Yoshimasa Tsuruoka SemEval @ ACL, 2026 — Best Paper Award (top 13/495, 2.6%)

How Can Multimodal Data Improve Low-Resource Language Sentence Embeddings? Howard Tangkulung, Kaiyan Zhao, Yoshimasa Tsuruoka 言語処理学会 (NLP), 2026

CMI - Detect Behavior with Sensor Data 2025, 🥈 Silver Medal — 75th/2657, 2.8%

Drawing with LLMs 2025, 🥈 Silver Medal — 13th/1309, 1.0%