( Case study )

RAG-based Document Q&A Assistant

Local RAG PDF chatbot using n8n, Ollama, Qdrant, and Llama 3.1 for private document-based question answering.

Year

/

2026

Python

LangChain

Embeddings

RAG

N8N

Project cover image

Problem

Traditional language models do not inherently know the contents of a user's private files. This system solves that by transforming uploaded PDFs into searchable embeddings and retrieving relevant context before generating a response.

Approach

This project combines n8n, Qdrant, Ollama, and a local LLM to build a complete document QA pipeline without relying on paid cloud APIs.

Gallery

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