Question

What is the purpose of topic modeling in natural language processing?

a) To identify the tone or emotion expressed in a text

b) To categorize text documents into topics or themes

c) To translate a text from one language to another

d) To generate new text based on input

Answer 1

Solution : b) To categorize text documents into topics or themes.

Reason: Topic modeling is a technique used in NLP to categorize text documents into topics or themes, based on the words and phrases used in the text.