This model is to reproduce a variant of TCT-ColBERT-V2 dense retrieval models described in the following paper:

Sheng-Chieh Lin, Jheng-Hong Yang, and Jimmy Lin. In-Batch Negatives for Knowledge Distillation with Tightly-CoupledTeachers for Dense Retrieval. RepL4NLP 2021 .

You can find our reproduction report in Pyserini here .