Knowledge Graph Chatbot — Semantic Graph-Powered Conversational AI

This is a conversational Knowledge-Graph Agent that lets users build and query a personal knowledge graph (stored in Neo4j) through natural language chat, powered by LangGraph for orchestration and GPT-4o-mini for language understanding.

Core Idea

Users can talk to the bot in plain English to add, search, edit, or delete facts, where each fact is stored as a triple:

entity --[RELATIONSHIP]--> value