2 papers
cs.CL2026
GroupDPO: Memory efficient Group-wise Direct Preference Optimization
Jixuan Leng, Si Si, Hsiang-Fu Yu +2
Preference optimization is widely used to align Large Language Models (LLMs) with preference feedback. However, most existing methods train on a single positive-negative pair per p…
cs.CL2025
Retrieval-augmented Encoders for Extreme Multi-label Text Classification
Yau-Shian Wang, Wei-Cheng Chang, Jyun-Yu Jiang +3
Extreme multi-label classification (XMC) seeks to find relevant labels from an extremely large label collection for a given text input. To tackle such a vast label space, current s…