Sarah Lea<p>Want to really understand how RAG, vector search & chunking work?</p><p>Then stop reading theory and build your own chatbot.</p><p>This guide shows you how to create a local PDF chatbot using: </p><p>☕ LangChain</p><p>☕ FAISS (vector DB)</p><p>☕ Mistral via Ollama</p><p>☕ Python & Streamlit</p><p>Step-by-step, from environment setup to deployment. Ideal for learning how Retrieval-Augmented Generation works in practice.</p><p>👉 <a href="https://medium.com/data-science-collective/rag-in-action-build-your-own-local-pdf-chatbot-as-a-beginner-96c2833869ff" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">medium.com/data-science-collec</span><span class="invisible">tive/rag-in-action-build-your-own-local-pdf-chatbot-as-a-beginner-96c2833869ff</span></a></p><p>Comment “WANT” if you need the friends link to the article, as you don’t have paid Medium.</p><p><a href="https://techhub.social/tags/rag" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rag</span></a> <a href="https://techhub.social/tags/tech" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tech</span></a> <a href="https://techhub.social/tags/Technology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Technology</span></a> <a href="https://techhub.social/tags/chatbot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>chatbot</span></a> <a href="https://techhub.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> <a href="https://techhub.social/tags/ki" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ki</span></a> <a href="https://techhub.social/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://techhub.social/tags/vector" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vector</span></a> <a href="https://techhub.social/tags/langchain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>langchain</span></a> <a href="https://techhub.social/tags/datascience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>datascience</span></a> <a href="https://techhub.social/tags/DataScientist" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataScientist</span></a> <a href="https://techhub.social/tags/streamlit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>streamlit</span></a></p>