JKSSB Mock Tests

In search engine information retrieval, what effect does the Inverse Document Frequency (IDF) metric have in TF-IDF calculations?

A. It heavily weights commonly used words like 'the' or 'and'
B. It penalizes words that appear too frequently across the entire corpus, boosting rare keywords
C. It counts the total number of images on the page
D. It determines the physical server location of the document
Answer: Option B
Solution (By JKSSB Mock Tests Team)
IDF diminishes the weight of terms that occur very frequently in the document set and increases the weight of terms that occur rarely.
This Question Belongs to: Computer mcqs Computer set 1

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