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數量型資料庫中模糊概念轉移探勘之研究

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Figure 2.2: 2-tuple linguistic for membership functions
Figure 2.3: The membership functions of the three items A, B, C for this example  According to the membership shown in Figure 2.3, different quantities of items in  transactions database can be represented by different degree value in different regions
Table 2.2: The fuzzy sets converted for transactions
Figure 3.1: Membership functions of an item I j
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