d(x2), x)) de xe), x(3) Problem 2. Consider the following document-term dataset: (Barcelona) x(2) (Chelsea) A A2 A3 A As A6 A7 68 g All rights 6. ng All right As A9 57 4 11 87 A10 A1l 10 42 aKeng Alts (Daredevil) 79 8. 19 x(4) (Harry Potter) 3 34 11 29 5 1 1 (Hawkeye) x(6) (Juventus) x(7) (Liverpool) x(8) (Man of Steel) Yiu Ken tra 1 20 121 10 20 38 8. VYu Kenng Wa Yiu Ken 59 20 4 10 1 15 4 4. 87 8. 10 War-Yiu Ke 31 64 58 4. *(9) (Titans) 3 23 2 28 56 3. x(10) (Twilight) 4 3 14 22 4 wherein each row represents a document x) represents the number of times the j-th term appears in the document; the physical meaning of each A,'s are: 128 2 10 26 10 a certain page on Wikipedia; and each column A, ghts A7 A6 the aids of Octave, compute the dissimilarity matrix A1 A2 A4 A5 player profession kick home win release future season A3 Copy As (a) Ag A10 | Au crime [d(x, x) d(x), x@)) d(x@),x) ghts ro run Copyright d Co Copigh d(x, y) = ||x – y l2 being the Euclidean distance. D = (1)X)P d(x(2), x(10) La(x(10), x() d(x(10), x(2) d(x{10), x(3) (b) With regards to (a), which two documents are most similar to each other? uts resedCo Capture Keu All (c) Go to the Wikipedia page of your favourite Football club or TV drama. (A1,..., A10) with respects the above settings. Which of the above is most similar to p? Kang righta resed Copyright All hyWatY operi w.Copyright C opyrighe ght All n All rig Kem All ight Copyright Copyright

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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x (Harry Potter) /
d(x2), x) d(x
the aids of Octave, compute the diss
Problem 2.
Keung
(Barcelona)
x(2)
(Chelsea)
Wal-
A1 A2 A3 A4 A5 A6 A7| As
Whi-Yiu
Yiu Keung Al
Keng
A9 A10 A11
Wai-Yiu Keng All right
(Daredevil)
4
87
Al rights
Keng All rights rese
1
79
Al righ
(Hawkeye)
x(6)
(Juventus)
x(7)
(Liverpool)
x(8) (Man of Steel)
1
3
57
8
11
0.
10
29
34
1
20
5.
121
1
38
2022 by WalYiu Keung t
10
8
15
31
20
x(9)
(Titans)
x(10)
(Twilight)
2
4
y Wa
wherein each row represents a document x)
87
10
4
8
Va-Yiu Kenng
Wa Yiu Kemg AI
58
64
56
3.
23
Tht Kemg All rights
1
28
3
represents the number of times the j-th term appears in the document; the physical meaning of
14
2 by Wai-Yin Keung
Wai- Yin Ke
22
each A;'s are:
4
1.
26
10
128
1
10
War
a certain page on Wikipedia; and each column A;
0.
A1
Keung
kick home
2
A
A4
player profession
All r
A6
win release future
A3
Copyright C
A5
Wai-Y
rights resered Copyright
Copyright
wright
Ag
crime
A7
As
Copyrn
ervel. Copt
matrix
[d(x"), x(1) d(x(1), x(2) d(x), x(3)
A10 A11
season
2022 by Wa
run
Allsoervel
. Cop
d(x(1), x(10)
d(x(2), x(10)
nghts ro
d(x(2), x(3)
[d(x(10), x) d(x10), x(2) d(x10), x(3)
2022
Wa
%3D
All rights erved
to
right
Keng
eerved Cop
to p?
Copp
pyrigh
other?
ered Copyris
Capture p
al
Gppyriglet
シ
u Keune. A rie
Copyright
l rights reserved Copyright
All rights ed. C
Transcribed Image Text:x (Harry Potter) / d(x2), x) d(x the aids of Octave, compute the diss Problem 2. Keung (Barcelona) x(2) (Chelsea) Wal- A1 A2 A3 A4 A5 A6 A7| As Whi-Yiu Yiu Keung Al Keng A9 A10 A11 Wai-Yiu Keng All right (Daredevil) 4 87 Al rights Keng All rights rese 1 79 Al righ (Hawkeye) x(6) (Juventus) x(7) (Liverpool) x(8) (Man of Steel) 1 3 57 8 11 0. 10 29 34 1 20 5. 121 1 38 2022 by WalYiu Keung t 10 8 15 31 20 x(9) (Titans) x(10) (Twilight) 2 4 y Wa wherein each row represents a document x) 87 10 4 8 Va-Yiu Kenng Wa Yiu Kemg AI 58 64 56 3. 23 Tht Kemg All rights 1 28 3 represents the number of times the j-th term appears in the document; the physical meaning of 14 2 by Wai-Yin Keung Wai- Yin Ke 22 each A;'s are: 4 1. 26 10 128 1 10 War a certain page on Wikipedia; and each column A; 0. A1 Keung kick home 2 A A4 player profession All r A6 win release future A3 Copyright C A5 Wai-Y rights resered Copyright Copyright wright Ag crime A7 As Copyrn ervel. Copt matrix [d(x"), x(1) d(x(1), x(2) d(x), x(3) A10 A11 season 2022 by Wa run Allsoervel . Cop d(x(1), x(10) d(x(2), x(10) nghts ro d(x(2), x(3) [d(x(10), x) d(x10), x(2) d(x10), x(3) 2022 Wa %3D All rights erved to right Keng eerved Cop to p? Copp pyrigh other? ered Copyris Capture p al Gppyriglet シ u Keune. A rie Copyright l rights reserved Copyright All rights ed. C
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