If you work in the data/AI world, chances are you’ve heard the term 'semantic layer' being thrown around a lot lately. With more businesses looking to build chatbots that allow users to interact with data using natural language, semantic models have quickly become the foundation of that GenAI-powered BI dream. Having worked in data for nearly five years, one phrase I’ve consistently heard from everyone, from fresh graduates to senior data leaders, is "single source of truth".

AI is everywhere, and it seems like everyone is leveraging it to create value for themselves or their businesses. Do you feel a bit out of place in this AI-driven world and want to take your first step toward integrating AI to benefit you? If so, keep reading! In this blog, I'll guide you on how to get started easily with Langchain, a powerful tool for AI developers. Together, we'll build a practical, real-world use case: a Product Review Analyser. And the best part? It’s com