Collapse of Dense Retrievers: Short, Early, and Literal Biases Outranking Factual Evidence
Reveals that dense retrievers are vulnerable to superficial patterns like prioritizing document beginnings, shorter documents, repeated entities.
📝 https://arxiv.org/abs/2503.05037
👨🏽💻 https://huggingface.co/datasets/mohsenfayyaz/ColDeR
Reveals that dense retrievers are vulnerable to superficial patterns like prioritizing document beginnings, shorter documents, repeated entities.
📝 https://arxiv.org/abs/2503.05037
👨🏽💻 https://huggingface.co/datasets/mohsenfayyaz/ColDeR
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