Knowledge Catalog is a modern, AI-powered data catalog developed by Google Cloud to provide comprehensive governance and context for enterprise data. It works by automatically extracting meaning from structured and unstructured data, building a dynamic context graph that connects data assets. This allows organizations to discover, understand, and manage their data more effectively. The platform plays a critical role in improving AI accuracy by grounding models in reliable enterprise data, reducing hallucinations. It offers features such as data lineage tracking, data profiling, and quality measurement to ensure data reliability. Users can also create business glossaries and capture metadata to enhance data organization and accessibility. Knowledge Catalog supports integration with custom data sources and Google Cloud services, making it highly flexible. It enables both traditional analytics and advanced AI applications, including agent-based workflows. The platform also provides powerful search capabilities for locating data resources quickly. By centralizing data context and governance, it reduces operational complexity for data teams. Overall, Knowledge Catalog empowers organizations to build trusted, well-governed data environments.