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Understanding Inverse Document Frequency
( go to the article → https://www.codementor.io/arpitbhayani/understanding-inverse-document-frequency-14doa5tqr7 )
TF-IDF is extensively used in search engines and in various document classification and clustering techniques. Instead of taking the formula by the word, we take a detour and dive deep into the better half of it and find its connection with Probability, the role it plays in document relevance and the intuition behind it.
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