Generate research ideas from PDFs using InfraNodus GraphRAG content gap analysis
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 8 nodes and runs when someone submits an n8n form (“Find Content Gaps in Your PDF Files”). It uses only n8n's built-in nodes. It also calls v2.convertapi.com over HTTP.
How it runs
Trigger: When someone submits an n8n form (“Find Content Gaps in Your PDF Files”).
- Convert binary files to PDF (Code): runs custom JavaScript code
- Extract text from PDF files (Extract from File): extracts data from a file (pdf)
- Prepare for InfraNodus (Code): runs custom JavaScript code
- InfraNodus GraphRAG Question Generator (HTTP Request): calls an HTTP API (POST)
- InfraNodus GraphRAG Response Generator (HTTP Request): calls an HTTP API (POST)
- Display on the Form to the User (n8n Form): shows the next form page
- Convert File to PDF (HTTP Request): calls v2.convertapi.com (POST)
HTTP calls to: v2.convertapi.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (5)
- HTTP Request
n8n-nodes-base.httpRequest - n8n Form Trigger
n8n-nodes-base.formTrigger - Code
n8n-nodes-base.code - Extract from File
n8n-nodes-base.extractFromFile - n8n Form
n8n-nodes-base.form
From the author
This template can be used to generate research ideas from PDF scientific papers based on the content gaps found in text using the InfraNodus knowledge graph GraphRAG knowledge graph representation. Simply upload several PDF files (research papers, corporate…