Suppose you wish to perform keyword querying on a set of tuples in a database, where each
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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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Term frequency is the logarithm of the number of occurrences of the term divided by the number of te...View the full answer
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Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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