RECENT POSTS
LangGraph: Human-in-the-Loop & Persistence
Human-in-the-loop (HITL) in LangGraph is a mechanism that allows pausing graph execution to request human intervention, enabling validation, approval, or adjustment of decisions before the flow continues. Persistence in LangGraph allows saving the graph state throughout execution using checkpoints stored in a persistent storage. This enables the workflow to be interrupted and later resumed from…
LangGraph: Getting Started
LangGraph is a framework designed for building complex graph-based workflows, enabling the explicit modeling of systems with multiple steps and decision points. Unlike traditional linear flows, it uses nodes (execution units) and edges (transitions between nodes) to define system behavior. This approach provides a high level of control, allowing for conditional branching, parallel node execution,…
LangChain: Chatbot with Streamlit
The goal of this post is to build a web interface for the chatbot developed in the previous post, using Streamlit, a free framework that makes it easy and intuitive to create web applications directly with Python. Since this post is a direct continuation of the previous one, it is strictly necessary that you read…
Edvaldo Melo 