Think about it a How to represent text documents and categories a Vectors regions String Language(models) a How to build categorization functions? Closeness similarity to regions Probability to generate the string/language modelThink about it… ◼ How to represent text documents and categories? ◼ Vectors & Regions ◼ String & Language (models) ◼ How to build categorization functions？ ◼ Closeness/Similarity to regions ◼ Probability to generate the string/language model