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This question is on IR. Consider the Vector Space IR system discussed in lectures. For this question we use the following weighing scheme. If
This question is on IR. Consider the Vector Space IR system discussed in lectures. For this question we use the following weighing scheme. If d is a document and t is a term, then N weight(t, d)= TFid log10 If q is a query and t is a term weight(t. q) is similarly defined. Recall that given a query q and a document d. v(q)-v(d) score (q, d)= || (q)|||v(d)|| Consider a document D in which the word hash appears 10 times, table appears 3 times and has 10 other distinct words. Let D be a document in which the word hash appears 10 times and the word table appears 2 times. When the query is hash table which document is more relevant? Assume that df, all the terms from D and D is N/10. Explain your answer. (20 Points)
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