Description: Entity extraction is the process of identifying and extracting relevant entities from unstructured data, such as text, images, or audio, stored in various data repositories. This process is fundamental in data preprocessing, as it transforms raw information into structured data that can be analyzed and used in natural language processing (NLP) models and other artificial intelligence systems. Entities may include names of people, places, organizations, dates, and other significant concepts. Entity extraction facilitates the organization and analysis of large volumes of data, allowing businesses and organizations to gain valuable insights and make informed decisions. Additionally, it is a key component in the creation of multimodal models, where different types of data are integrated to enhance understanding and prediction. The accuracy and efficiency of entity extraction are essential to ensure the quality of the data that feeds machine learning models and other analytical applications.