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https://dagshub.com/wp-content/uploads/2023/05/simon-lee-WK5uLckIjRo-unsplash-768x432.png 768w" sizes="(max-width: 1920px) 100vw, 1920px" /> <div class="b-block-single__head-image-author"> <p>Photo by <a href="https://unsplash.com/@simonppt?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText">SIMON LEE</a> on <a href="https://unsplash.com/photos/OdnXv9hJOEI?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText">Unsplash</a></p> </div> </header> <div class="c-article-primary__container"> <div class="c-article-primary__meta"> <div class="container container--medium-one"> <div class="c-breadcrumbs"> <p class="breadcrumbs"><span><span><a href="https://dagshub.com/glossary/">Glossary</a></span> 禄 <span class="breadcrumb_last" aria-current="page">Retrieval Augmented Generation (RAG)</span></span></p></div> <h4 class="c-article-primary__tagline">Dagshub Glossary</h4> <h1 class="c-article-primary__title">Retrieval Augmented Generation (RAG)</h1> </div> </div> <div class="c-article-primary__body"> <div class="container container--medium-one"> <div class="c-article-primary__content"> <p><strong>Retrieval-Augmented Generation (RAG)</strong> is a technique used in natural language processing (NLP) and machine learning to improve the performance of language models by augmenting their training data with retrieved information from external sources. The goal of RAG is to enable language models to generate more accurate, informative, and diverse responses by incorporating knowledge from various sources into their generations.</p> <h2 class="wp-block-heading">The Retrieval Augmented Generation Process</h2> <p>The process of RAG typically involves three stages: <strong>retrieval, generation, and fusion</strong>. In the first stage, a retrieval model is trained to retrieve relevant information from an external corpus or database based on a given prompt or input. This retrieved information can be in the form of text passages, sentences, or even entire documents. In the second stage, a generation model, such as a language model or a sequence-to-sequence model, generates a response to the prompt using the retrieved information. Finally, in the third stage, the generated response is fused with the retrieved information to produce a final output that combines the strengths of both the generated and retrieved content.</p> <p>There are several ways to implement RAG, depending on the specific application and the type of language task at hand. Some common approaches include:</p> <ol class="wp-block-list"> <li>Multi-modal fusion: This approach involves combining the generated response with additional modalities, such as images, videos, or speech, to create a richer and more engaging output. For example, a chatbot designed to provide travel recommendations could retrieve relevant images and videos of tourist destinations to enhance its responses.</li> <li>Reinforcement learning: This approach uses reinforcement signals to train the generation model to generate high-quality responses that align with the retrieved information. The generation model receives rewards for generating responses that are consistent with the retrieved information and penalties for those that are not. Over time, this feedback loop encourages the model to learn how to effectively integrate retrieved information into its generations.</li> <li>Prompt engineering: This approach focuses on designing effective prompts that guide the generation model to produce responses that are aligned with the retrieved information. By carefully crafting the prompts, it’s possible to encourage the generation model to generate responses that incorporate the most relevant and useful information from the retrieved sources.</li> <li>Hybrid models: This approach combines different types of models, such as retrieval models and generation models, to leverage their respective strengths. For instance, a hybrid model might use a retrieval model to identify relevant information and then pass that information to a generation model to generate a coherent and contextually appropriate response.</li> </ol> <section id="b-oob-cta-109367" class="c-block b-block b-oob-cta b-oob b-oob-cta--layout-default c-block--padding-default b-oob--style-boxed-container "> <div class="c-background "> <div class="c-background__media"> <div class=" c-media " > <div class="c-media__element c-media__element--type-image c-media__element--all" style="top:0;bottom:0;"> <img decoding="async" width="1920" height="1280" src="https://dagshub.com/wp-content/uploads/2023/05/milad-fakurian-fWJfsE93q1E-unsplash.png" class="c-media__image" alt="" srcset="https://dagshub.com/wp-content/uploads/2023/05/milad-fakurian-fWJfsE93q1E-unsplash.png 1920w, https://dagshub.com/wp-content/uploads/2023/05/milad-fakurian-fWJfsE93q1E-unsplash-300x200.png 300w, https://dagshub.com/wp-content/uploads/2023/05/milad-fakurian-fWJfsE93q1E-unsplash-1024x683.png 1024w, https://dagshub.com/wp-content/uploads/2023/05/milad-fakurian-fWJfsE93q1E-unsplash-768x512.png 768w" sizes="(max-width: 1920px) 100vw, 1920px" /> </div> </div> </div> <div class="container c-block__content"> <div class="b-oob-cta b-oob-inner"> <div class="c-cta c-cta--id-85 c-cta--style-default"> <div class="c-cta__inner"> <div class="c-cta__col c-cta__col--body"> <div class="c-section-header c-section-header--align-default "> <h2 class="c-title c-section-header__title default" style="color: #f4f4f4 !important" > Improve your data quality for better AI<br /> </h2> <h4 class="c-title c-section-header__subtitle default" style="color: #f4f4f4 !important" > Easily curate and annotate your vision, audio, and document data with a single platform<br /> </h4> </div> </div> <div class="c-cta__col c-cta__col--action"> <div class="c-buttons-or-form "> <ul class="c-buttons "> <li class="c-button testimonials-section__bottom-action c-button--type-link c-button__style--primary-outline-white-bg"> <a data-analytics-event="DataSet Page SignUp CTA Clicked" class="c-btn c-btn-primary-outline-white-bg" href="https://dagshub.com/book-a-demo/" target="_blank" title="Book A Demo"> Book A Demo </a> </li> </ul> </div> </div> </div> </div> </div> </div> </div></section> <h2 class="wp-block-heading">Applications of RAG</h2> <p>RAG has many potential applications across various NLP tasks, including but not limited to:</p> <ol class="wp-block-list"> <li>Question answering: RAG can help question-answering systems provide more comprehensive and accurate answers by integrating information from multiple sources.</li> <li>Text summarization: RAG can assist text summarization models in generating more informative and concise summaries by incorporating relevant information from other texts.</li> <li>Machine translation: RAG can improve machine translation systems by leveraging bilingual dictionaries, parallel corpora, and other resources to generate more fluent and idiomatic translations.</li> <li>Dialogue systems: RAG can enhance dialogue systems by enabling them to engage in more informed and contextually appropriate conversations.</li> <li>Content creation: RAG can aid content creators in generating articles, blog posts, and social media updates that are well-researched and engaging.</li> </ol> <p>In summary, Retrieval-Augmented Generation is a powerful technique that enables language models to generate more accurate, informative, and diverse responses by incorporating knowledge from external sources. Its applications have the potential to transform various NLP tasks and industries where natural language understanding and generation play critical roles.</p> <div class="c-list-tags c-list-tags--alt"> <h3 class="c-list-tags__title">Related terms</h3> <ul class="c-list-tags__list"> <li class="c-list-tags__item"> <a class="c-list-tags__link" href="https://dagshub.com/glossary/bert/"> BERT </a> </li> <li class="c-list-tags__item"> <a class="c-list-tags__link" href="https://dagshub.com/glossary/generative-ai/"> Generative AI </a> </li> <li class="c-list-tags__item"> <a class="c-list-tags__link" href="https://dagshub.com/glossary/reinforcement-learning/"> Reinforcement Learning </a> </li> </ul> </div> </div> </div> </div> </div> </article> </main> <a href="#page" class="c-arrow-top"><div class="c-arrow-top__tooltip">Back to top</div><svg width="36" height="36" viewBox="0 0 36 36" fill="none" xmlns="http://www.w3.org/2000/svg"><rect width="36" height="36" rx="12" fill="#E2E8F0"/><path fill-rule="evenodd" clip-rule="evenodd" d="M17.5286 13.5286C17.7889 13.2683 18.2111 13.2683 18.4714 13.5286L21.8047 16.862C22.0651 17.1223 22.0651 17.5444 21.8047 17.8048C21.5444 18.0651 21.1223 18.0651 20.8619 17.8048L18.6667 15.6095V22C18.6667 22.3682 18.3682 22.6667 18 22.6667C17.6318 22.6667 17.3333 22.3682 17.3333 22V15.6095L15.1381 17.8048C14.8777 18.0651 14.4556 18.0651 14.1953 17.8048C13.9349 17.5444 13.9349 17.1223 14.1953 16.862L17.5286 13.5286Z" fill="#172D32"/></svg></a> </div> <div class="site-pre-footer"> <div class="container"> <div class="content-wrapper"> <h3 class="title"> Manage your unstructured data. 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