README.md

metadata

title: Project Intelligence Hub
emoji: 🔍
colorFrom: blue
colorTo: purple
sdk: gradio
sdk_version: 6.3.0
app_file: app.py
pinned: false
license: mit
short_description: PDF reports to queryable knowledge graph

Project Intelligence Hub

Transform PDF project reports into a queryable Neo4j knowledge graph with natural language queries.

Features

• PDF Ingestion — Extract entities and relationships from project reports
• Knowledge Graph — Build structured graph with Projects, Budgets, Locations, Milestones, Challenges
• Hybrid Search — Vector embeddings + BM25 keyword search
• Natural Language Q&A — Query the graph using plain English

Setup (Required Secrets)

Configure these in Settings > Repository secrets:

Secret	Description
TOGETHER_API_KEY	Together AI API key
NEO4J_URI	Neo4j connection URI (e.g., neo4j+s://xxx.databases.neo4j.io)
NEO4J_USERNAME	Neo4j username (usually neo4j)
NEO4J_PASSWORD	Neo4j password
NEO4J_DATABASE	Neo4j database name (usually neo4j)

Tech Stack

• LLM: Together AI (DeepSeek-V3)
• Embeddings: m2-bert-80M-8k-retrieval
• Graph DB: Neo4j Aura
• Reranker: ms-marco-MiniLM-L-6-v2
• UI: Gradio