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Given the three documents in Table 1 and the term-document matrix in the Table 2. (a) pick up two words only to represent the three

Given the three documents in Table 1 and the term-document matrix in the Table 2. (a) pick up two words only to represent the three documents. (b) derive the TF-IDF matrix.

1. Compare the results of (a) and (b), what conclusions you can derive?

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