Question: Suppose you wish to perform keyword querying on a set of tuples in a database, where each tuple has only a few attributes, each containing

Suppose you wish to perform keyword querying on a set of tuples in a database, where each tuple has only a few attributes, each containing only a few words. Does the concept of term frequency make sense in this context? And that of inverse document frequency? Explain your answer. Also suggest how you can define the similarity of two tuples using TF–IDF concepts.

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