Answered: Find bag-of-word vector representation,…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question 9

Find bag-of-word vector representation, ?, of "my favourite book is the elements of statistical learning" using the following dictionary: D = ["my", "are", "is", "and", "of", "bad", "good", "favourite", "hello", "hi", "data", "analysis", "statistical", "elements"]. Compute the square of the norm of ?

Hint:

The norm of a vector ? = [?₁,…,?_?]^? is defined as

√⟨?,?⟩=√(∑^d_i=1?_i²)

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