Research Article

[Retracted] Anonymization of Quasi-Sensitive Attribute Sets in Aggregated Dataset

Algorithm 1

The Greedy QS k-anonymity Algorithm.
Input:,
Output: a set of clusters in each of which the size of Cartesian product of attributes in and is greater than or equal to
(1),
(2)ifthen
(3)return
(4)end if
(5) is a randomly selected record in
(6)whiledo
(7) the furthest record from
(8)
(9)
(10)whiledo
(11)  
(12)  
(13)  
(14)end while
(15)
(16)ifthen
(17)  whiledo
(18)     = a random tuple in
(19)   
(20)   
(21)   
(22)  end while
(23)end if
(24)end while
(25)return