1. Suppose that a news portal has a stream of incoming news and they asked you to organize the news into about ten reasonable categories of your choice. Which problem discussed in this chapter would you use to accomplish this goal?
2. In Exercise 3, consider the case in which examples of ten pre-defined categories are available. Which problem discussed in this chapter would you use to determine the category of an incoming news article.
3. Suppose that you have popularity data on the number of clicks (per hour) associated with each news article in Exercise 3. Which problem discussed in this chapter would you use to decide the article that is likely to be the most popular among a group of 100 incoming articles (not included in the group with associated click data).