TF-IDF (Term Frequency Time Inverse Document Frequency) Concept
Content-based systems, such as Wikipedia, rely on user input. When you such a certain item, most likely several items will appear, some not related to what is searched. To select the most relevant information, we use the concept of TF-IDF (Term Frequency Time Inverse document frequency). It identifies the number of times a certain word appears in a text. It calculates and determines whether the word is found in a