Discussion:
1. Explain the relationship among data mining, text min-ing, and sentiment analysis.
2. In your own words, define text mining, and discuss its most popular applications.
3. What does it mean to induce structure into text-based data? Discuss the alternative ways of inducing structure into them.
4. What is the role of NLP in text mining? Discuss the capa-bilities and limitations of NLP in the context of text mining.