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Table 3 2-anonymity with respect to the attributes ‘Age’, ‘Gender’ and ‘State of domicile’

From: Big data privacy: a technological perspective and review

Name

Age

Gender

State of domicile

Religion

Disease

*

20 < Age ≤ 30

Female

Tamil Nadu

*

Cancer

*

20 < Age ≤ 30

Female

Andhra Pradesh

*

Viral infection

*

20 < Age ≤ 30

Female

Tamil Nadu

*

TB

*

20 < Age ≤ 30

Male

Karnataka

*

No illness

*

20 < Age ≤ 30

Female

Andhra Pradesh

*

Heart-related

*

20 < Age ≤ 30

Male

Karnataka

*

TB

*

Age ≤ 20

Male

Andhra Pradesh

*

Cancer

*

20 < Age ≤ 30

Male

Karnataka

*

Heart-related

*

Age ≤ 20

Male

Andhra Pradesh

*

Heart-related

*

Age ≤ 20

Male

Andhra Pradesh

*

Viral infection

  1. Table 3 has 2-Anonymity with respect to the attributes ‘Age’, ‘Gender’ and ‘State of domicile’ since for any blend of these attributes found in any row of the table there are always no less than two rows with those exact attributes