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Yifan Lyu

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#artificial intelligence Preprint Sep 2026

Cross-Modal Emotion Understanding: A Transformer-GAT Approach for Dialogue Emotion Recognition

Transformer-GAT is proposed, a hybrid framework that combines Transformer and the Graph Attention Network to enable cross-modal emotion understanding and effectively integrates multimodal features, balances global and local contexts, and provides deeper emotional insights, offering new directions for multimodal emotion...

Jia-Qi Qiao, Yifan Lyu, Xiu-Juan Xu · 0 citations
Preprint Aug 2026

SPAR-Hate: Auditor-Guided Multi-Perspective Role Reasoning for Bilingual Hate Speech Parsing

SPAR-Hate is an auditor-guided multi-perspective role-reasoning framework for bilingual hate speech parsing that decomposes each document into local focus units, elicits evidence-grounded candidates from Victim, Moderator, and Cultural Bystander perspectives, resolves candidate conflicts under grounding and schema cons...

Yifan Lyu, Dianqing Lin, Xinran Li et al. · 0 citations
Review Aug 2026

Signal or Spurious Cue? A Randomized Audit of Survey-Country Metadata in LLM Social Inference

Survey-country metadata can improve an LLM's forecast of an individual response when informative, yet the same cue may redirect the forecast when assigned at random. A within-record audit tests whether disclosing a random label's uniform, record-independent origin reduces its country-directed uptake, and whether verifi...

Yifan Lyu, Xinran Li, Jia-Qi Qiao et al. · 0 citations

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