Definition: Richetting is a type of text mining technique used in natural language processing (NLP) and machine learning. It is a process of extracting meaningful information from large volumes of text data by using statistical algorithms to identify patterns, relationships, and themes within the text. The main idea behind richetting is that it can help extract valuable insights from the vast amount of textual data available on the internet. This can be useful for various applications such as customer service, website analytics, news analysis, and more.