readme: # Multihop-Dense Retrieval (MDR) 
  
  Paper: [Answering Complex Open-Domain Questions with Multi-Hop Dense Retrieval](https://arxiv.org/abs/2009.12756) (Xiong, Wenhan, et al.)
  
  Code and checkpoint from https://github.com/facebookresearch/multihop_dense_retrieval/
  
  This is the checkpoint `q_model` from https://dl.fbaipublicfiles.com/mdpr/models/q_encoder.pt
  
  License: https://github.com/facebookresearch/multihop_dense_retrieval/blob/main/LICENSE