Consider a given itemset (I1, I2, I4). The table below indicates whether its subsets are frequent (1 means a subset is frequent, O means it is not). Subset Frequent? {I₂} 1 {I₂) 1 (14) 1 (I1, I2) 1 (I1, 14) 1 (I2, 14) 1 Is the given itemset (I1, I2, I4) frequent? Enter 1 if it is frequent, 0 it is not, and -1 if maybe (that is, -1 would indicate that it may be frequent or not).

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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Consider a given itemset (I₁, I2, I4). The table below indicates whether its subsets are frequent (1
means a subset is frequent, O means it is not).
Subset
Frequent?
(1₁)
1
(1₂)
1
(14)
1
(I1, I2)
1
(I1, 14)
1
(I2, 14)
1
Is the given itemset (I1, I2, I4) frequent? Enter 1 if it is frequent, 0 it is not, and -1 if maybe (that is,
-1 would indicate that it may be frequent or not).
Transcribed Image Text:Consider a given itemset (I₁, I2, I4). The table below indicates whether its subsets are frequent (1 means a subset is frequent, O means it is not). Subset Frequent? (1₁) 1 (1₂) 1 (14) 1 (I1, I2) 1 (I1, 14) 1 (I2, 14) 1 Is the given itemset (I1, I2, I4) frequent? Enter 1 if it is frequent, 0 it is not, and -1 if maybe (that is, -1 would indicate that it may be frequent or not).
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