Machine Learning ยท Lesson 11
Natural Language Processing (NLP): From Text to Business Insight
Explore how computers process language through text cleaning, tokenization, normalization, vectorization, sentiment analysis, and a practical customer-review challenge.
What Is Natural Language Processing?
Teach computers to work with human language.
Natural Language Processing (NLP) is the area of AI that helps computers analyze, interpret, classify, or generate human language. Common tasks include sentiment analysis, spam detection, search, translation, summarization, and chat assistants. NLP systems can make mistakes, especially with sarcasm, ambiguity, slang, and unfamiliar language.
Why it matters in business
A company may receive thousands of customer messages. NLP can help sort them by topic or urgency so teams can respond faster, while people handle sensitive or uncertain cases.
Explore NLP use cases
Choose a business problem and inspect the type of language task it represents.
Input
Written customer reviews
Output
Sentiment / issue category
Classify customer sentiment and route uncertain reviews for human review.
Activity: Match the task to NLP
An online store wants to automatically flag reviews that express dissatisfaction so the service team can prioritize them. Which NLP task is the closest match?
Related MCQ: NLP fundamentals
Which statement best describes NLP?
Your next step
Complete both the activity and related MCQ correctly to unlock the next concept.