Arxiv | Github

tDRO: Task-level Distributionally Robust Optimization for Large Language Model-based Dense Retrieval. Guangyuan Ma, Yongliang Ma, Xing Wu, Zhenpeng Su, Ming Zhou and Songlin Hu.

This is a fine-tuned tDRO optimized retriever with Sample Ratio Reweighting of tdro-llm/finetune_data.