2026年3月10日(火)～13日(金)に北海道函館市で開催されたThe 21st International Conference on Persuasive Technology 2026にて，以下6件の発表を行いました．

登壇発表

• Kota Kotegawa, Kentaro Ueda, Ren Hosokawa, Yuki Ogawa, Eichi Umehara, Kota Tsubouchi, Keiichi Yasumoto, Hirohiko Suwa:
  “Faithful and Plausible Explanations for Market Prediction from Noisy Forum Posts via XAI–LLM Hybrid Rationale Selection,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Late Breaking Result), Hokkaido, Japan, 2026. 
• Sachiko Enomoto, Hirohiko Suwa, Keiichi Yasumoto:
  “Optimizing Daily Activity Planning in a Behavioral Change Support System to Improve Older Adults’ Quality of Life,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Workshop, BTI3), Hokkaido, Japan, 2026. 
• Carolin Schindler, Niklas Rach, Yuki Matsuda, Wolfgang Minker, Keiichi Yasumoto:
  “Estimating Subjective Persuasion Effectiveness in Symmetric Human-Agent Dialogues,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Workshop, PPT), Hokkaido, Japan, 2026. 

ポスター発表

• Tsukasa Kojo, Wataru Sasaki, Yuki Matsuda, Kota Tsubouchi, Keiichi Yasumoto, Hirohiko Suwa:
  “Toward a Participatory Trace-Sensing Framework Using Smartphone LiDAR for Wildlife Habitat Estimation,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Poster), Hokkaido, Japan, 2026.
• Kotomi Wakayama, Tomokazu Matsui, Hirohiko Suwa, Keiichi Yasumoto:
  “A Counterfactual Stress Management System for Lifestyle Behavior Change Using Activity Logs,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Poster), Hokkaido, Japan, 2026.
• Sergio De Leon, Keiichi Yasumoto, Yuki Matsuda:
  “Exploring UX Frustration Recognition using Stress Recognition Models and Lightweight Biosignal Features,”
  The 21st International Conference on Persuasive Technology 2026 (Persuasive 2026 Poster), Hokkaido, Japan, 2026.