facebook/rag-sequence-nq

The model consits of a question_encoder, retriever and generator . The retriever extracts relevant passages from the wiki_dpr train datasets, which is linked above . The model can generate answers to any factoid question as follows: "How many countries are in europe?" The model is a uncased model, which means capital letters are simply converted to lower-case letters . It is based on facebook/dpr-question_encoding-single-nq-base and facebook/bart-large, which were jointly finetuned on the QA dataset in an end-to-end fashion . The complete lecagy index requires over 75 GB of RAM .,