Jinghui Qin

GRADE: Automatic Graph-Enhanced Coherence Metric for Evaluating Open-Domain Dialogue Systems

2020 · arXiv (Cornell University)

Automatically evaluating dialogue coherence is a challenging but high-demand ability for developing high-quality open-domain dialogue systems. However, current evaluation metrics consider only surface features or utterance-level semantics, without explicitly considering the fine-grained topic transition dynamics …

Multi-granularity contrastive learning for conversational recommender system

2025 · IET conference proceedings.

Conversational recommender systems (CRS) use natural language dialogues to capture user preferences and provide personalized recommendations. CRS typically includes two modules: recommendation and dialogue, which serve different functions but are both essential. Early approaches used …