Description: Entity linking is the process of connecting entities in data with their corresponding real-world references. This process is fundamental in the field of artificial intelligence and data processing, as it enables systems to understand and contextualize information more effectively. By identifying and associating entities such as people, places, and organizations with their representations in databases or on the web, knowledge extraction and informed decision-making are facilitated. Entity linking relies on natural language processing (NLP) and machine learning techniques that help disambiguate and relate scattered data. Furthermore, it is essential for creating large language models and multimodal models, which require a deep understanding of the relationships between different types of data. This technique enhances user experience by providing relevant and personalized information across various platforms and applications. In summary, entity linking is a key component for data integration and analysis across multiple domains, allowing for a richer and more meaningful interaction with information.