Machine Learning is known under many names such as Machine Learning, Artificial Intelligence, Pattern Recognition, Data Mining, Data Assimilation, and Big Data, to list but a few. It developed in many areas of science, such as in physics, engineering, computer science, and mathematics in parallel and independently. For example it is used for Spam Filtering, Optical Character Recognition (OCR), Search Engines, Computer Vision, Natural Language Processing (NLP), Advertising, Fraud Detection, Robotics, Data Prediction, Material Discovery, Astronomy.