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Big Data: Storage, Sharing, and Security
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Percentage of element prevalence
e factor of stream size in random numbers
Probality of retrieval
34
10,000 100,0001,000
Figure 7.5: Probabilities of retrieving the predominant element in various stream sizes.
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Percentage of element prevalence
Zipf ’s law distribution at α = 0.8
Probality of retrieval
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Second elementFirst element
Figure 7.6: Probabilities of retrieving the first and second most frequent items.
decrement rate turns out to be presented by
α
= 0.99. By comparing the majority algorithm
(single buffer) in the ...