Suppose the window of a data stream is as shown below. (Most recent bit is on the right side) 10 110 1 1 0 o o 1 o 1 1 1 o 11 0 0 1 0 1|1O At least one Two of size 4 One of Two of of size 8 size 2 size 1 Using the DGIM method, estimate the number of 1s in the last k positions, if k=24 15 O None of the options 16 13 24 14

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
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Suppose the window of a data stream is as shown below. (Most recent bit is on the right side)

Using the DGIM method, estimate the number of 1s in the last k positions, if k=24 

 
Suppose the window of a data stream is as shown below. (Most recent bit is on the
right side)
· 1 0 1 |1 0 1 1 0 0 0 10 1 1 1 0 1 1 0 0 1 0 1|10
At least one
One of
Two of
Two of size 4
of size 8
size 2
size 1
Using the DGIM method, estimate the number of 1s in the last k positions, if k=24
15
None of the options
16
13
24
14
Transcribed Image Text:Suppose the window of a data stream is as shown below. (Most recent bit is on the right side) · 1 0 1 |1 0 1 1 0 0 0 10 1 1 1 0 1 1 0 0 1 0 1|10 At least one One of Two of Two of size 4 of size 8 size 2 size 1 Using the DGIM method, estimate the number of 1s in the last k positions, if k=24 15 None of the options 16 13 24 14
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