Author

Jin-Xia Huang

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Open access Jul 2026

Evaluating reinforcement learning from human feedback for task‐oriented dialogue systems

Reinforcement learning from human feedback (RLHF) has shown strong potential for aligning language models, but its role in task‐oriented dialogue (TOD) remains unclear. In TOD, models are typically trained with local turn‐level supervision, while system behavior is evaluated through broader interaction‐level properti...

Hyeok‐Min Gwon, Yohan Lee, Jin-Xia Huang et al. · ETRI Journal · 0 citations

#natural language process... Preprint Sep 2026

Comparing Self-Supervised and Domain-Invariant Features for Cross-Domain Voice Phishing Detection

Voice phishing detection faces three critical challenges: real criminal recordings are unavailable due to privacy constraints; when available, only a handful of samples exist, insufficient for fine-tuning; and lightweight acoustic-only detection is needed as an alternative to large self-supervised models. We compare do...

Jeongmin Lee, Seung Yun, Minkyu Lee et al. · 0 citations