Express your representation as a set of words with associated frequencies but no normalization.

1.       Suppose that you want to find the articles that are strongly critical of some issue in Exercise 3. Which problem discussed in this chapter would you use?

2.       Consider a news article that discusses multiple topics. You want to obtain the portions of contiguous text associated with each topic. Which problem discussed in this chapter would you use in order to identify these segments?

3.       Assume that all article, pronouns, and prepositions are stop words. Perform a sensible stemming and case folding in the example of Exercise 1, and convert to a vectorspace representation. Express your representation as a set of words with associated frequencies but no normalization.

find the cost of your paper

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