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ID Date uid
I-1 2020-01-01 10:12:15 K-1
I-2 2020-01-02 10:12:15 K-1
I-3 2020-02-01 10:12:15 K-2
I-4 2020-02-02 10:12:15 K-3
I-5 2020-02-04 10:12:15 K-4
I-6 2019-11-01 10:12:15 K-4
I-7 2019-11-01 10:12:15 K-3
I-8 2018-12-13 10:12:15 K-5
I-9 2019-05-17 10:12:15 K-4
I-19 2020-03-11 10:12:15 K-7
ID city code
I-1 New York 123
I-2 Washington 122
I-3 Tokyo 123
I-4 London 144
I-5 Dubai 101
I-6 Dubai 101
I-7 London 144
I-8 Tokyo 143
I-9 Dubai 101
I-19 Dubai 150
ID Date city code uid Match same_uid different_uid uid_count
I-1 2020-01-01 10:12:15 New York 123 K-1 No 0 0 2
I-2 2020-01-02 10:12:15 Washington 122 K-1 No 0 0 2
I-3 2020-02-01 10:12:15 Tokyo 123 K-2 No 0 0 1
I-4 2020-02-02 10:12:15 London 144 K-3 Yes 1 0 2
I-5 2020-02-04 10:12:15 Dubai 101 K-4 Yes 2 0 3