LlamaIndex Webinar: Learn about Fine-tuning + RAG (w/ Victoria Lin, author of RA-DIT)
Автор: LlamaIndex
Загружено: 2023-11-11
Просмотров: 4804
We're excited to talk about how to combine fine-tuning and RAG with Victoria Lin, author of the recent RA-DIT (Retrieval-Augmented Dual Instruction Tuning) paper.
Paper Abstract:
Retrieval-augmented language models (RALMs) improve performance by accessing long-tail and up-to-date knowledge from external data stores, but are challenging to build. Existing approaches require either expensive retrieval-specific modifications to LM pre-training or use post-hoc integration of the data store that leads to suboptimal performance. We introduce Retrieval-Augmented Dual Instruction Tuning (RA-DIT), a lightweight fine-tuning methodology that provides a third option by retrofitting any LLM with retrieval capabilities. Our approach operates in two distinct fine-tuning steps: (1) one updates a pre-trained LM to better use retrieved information, while (2) the other updates the retriever to return more relevant results, as preferred by the LM.
Victoria will do a presentation on the paper in the first half, and in the second half we'll do Q&A on fine-tuning + RAG more generally!
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