paragraph: Before almost any natural language processing of a text, the text has to be normalized. At least three tasks are commonly applied as part of any normalization process: 1. Tokenizing (segmenting) words 2. Normalizing word formats 3. Segmenting sentences In the next sections we walk through each of these tasks.
answer: 1. Tokenizing (segmenting) words 2. Normalizing word formats 3. Segmenting sentences