Week 6-BALT 4364-Chapter 5
Chapter 5 introduces Natural Language Processing (NLP), a major branch of artificial intelligence focused on enabling computers to understand, generate, and work with human language. It explains key NLP tasks such as text classification, sentiment analysis, and language modeling, showing how machines convert text into structured representations they can learn from. The chapter also explores practical applications like spam filtering, news categorization, and customer feedback analysis. By learning how NLP works, students gain insight into how modern AI systems interpret massive amounts of text. The chapter describes text classification as the process of assigning categories to text, which is essential for tasks like spam detection and topic labeling. Sentiment analysis is covered next, focusing on detecting emotions or opinions in reviews, surveys, or social media posts. Examples show how companies use sentiment analysis to measure customer satisfaction or public reaction to movies, pr...