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Ryuichi Sumida

3 papers hereh-index 25 citations6 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author1

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • cs.CL2
  • cs.HC1

identity via Semantic Scholar / OpenAlex

works on
conversational agents 1human-ai interaction 1memory augmentation 1multimodal analysis 1relationship dynamics 1self-disclosure 1

From the 1 of 3 linked papers with an AI index.

collaborators

3 papers

cs.HC2026

Memory-Driven Self-Disclosure and Relational Turning Points: A Longitudinal Multimodal Study of Human-AI Interaction

Ryuichi Sumida, Mao Saeki, Masaki Eguchi +4

The paper reports a longitudinal study of a memory‑augmented conversational AI, showing how perceived memory and self‑disclosure shape user enjoyment over repeated sessions and how…

cs.CL2025

Enhancing Long-term RAG Chatbots with Psychological Models of Memory Importance and Forgetting

Ryuichi Sumida, Koji Inoue, Tatsuya Kawahara

While Retrieval-Augmented Generation (RAG) has shown promise in enhancing long-term conversations, the increasing memory load as conversations progress degrades retrieval accuracy.…

cs.CL2025

MMA-ASIA: A Multilingual and Multimodal Alignment Framework for Culturally-Grounded Evaluation

Weihua Zheng, Zhengyuan Liu, Tanmoy Chakraborty +32

Large language models (LLMs) are now used worldwide, yet their multimodal understanding and reasoning often degrade outside Western, high-resource settings. We propose MMA-ASIA, a…

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