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---
license: mit
---

This model has been pretrained on MS MARCO following the approach described in the paper **Unsupervised Corpus Aware Language Model Pre-training for Dense Passage Retrieval**. The model can be used to reproduce the experimental results within the GitHub repository https://github.com/OpenMatch/COCO-DR.

This model is trained with BERT-large as the backbone with 335M hyperparameters.