Dense Passage Retriever(DPR) Open-QA System

Hi, I made a video explaining **Dense Passage Retriever(DPR)** paper. We specifically explain the End to End QA system suggested in the latter part of the paper which discusses how to build an Open-QA system using dense retrievers.

DPR was one of the first papers that discussed building dense retrievers using QA pairs only and didn't require a big pretraining computational setup like ORQA or REALM. It is currently used in a lot of places as a dense retriever. You …

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