Automate PDF Knowledge Base with Gemini & Supabase Workflow

Automate Your PDF Knowledge Base with the Gemini & Supabase Workflow

Unleash the power of automation with our cutting-edge "Automate PDF Knowledge Base with Gemini & Supabase Workflow." This seamless workflow ingests educational PDF URLs, processes the text, and equips you with a dynamic chat interface for instant information retrieval. Streamline your knowledge base management by leveraging Google Gemini’s embedding capabilities and Supabase’s robust storage solutions.

What this workflow does

• Every hour, it scans your Google Sheets document for new PDF URLs, extracting and processing only those entries marked with an empty status.
• Classifies each URL to identify whether it points to a seraj-uae.com HTML page or a Google Drive file link.
• Retrieves the PDF, extracting text either from the direct source or via Google Drive.
• Performs text cleaning, validation, and segments the document into overlapping chunks.
• Generates embeddings using Google Gemini and stores them in a Supabase pgvector table for streamlined access.
• Updates Google Sheets to reflect the processing status, ensuring only valid data is embedded.
• Provides a public-facing n8n Chat webhook, enabling users to query the knowledge base with responses powered by Gemini and Supabase.

Use cases

• Educational Institutions: Seamlessly manage student access to a comprehensive PDF-based knowledge base, answering queries with ease.
• Corporate Training: Automate the ingestion and retrieval of training manuals, ensuring employees have timely access to critical resources.
• Content Management: Facilitate the efficient organization of PDF documents into an accessible, searchable library for content creators and analysts.

Technical details

This workflow utilizes a robust tech stack tailored for efficient PDF automation:

• Google Sheets Integration: Automate data reading and status updates.
• Code Node: Process PDF links and manage the classification of document sources.
• Wait Node: Ensure timely processing and retrieval actions.
• Filter and If Nodes: Apply logic to handle various document types and URLs.
• Google Gemini: Power advanced text embedding and retrieval functionalities.
• Supabase with pgvector: Enable efficient vector-based data storage and retrieval.

Experience a new level of automation by integrating this advanced workflow into your operations today, empowering your systems to process, store, and interact with PDF data like never before.