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 baseline retriever with uniform sampling weights of tdro-llm/finetune_data. This model is also used as a reference model in tDRO.