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TableĀ 1 The sample of CDR dataset. In this case, each CDR entry describes a voice call. All user identifiers and cell tower ids are coded to hide personal information. The GPS location of the cell towers is provided in the data source

From: Complete trajectory reconstruction from sparse mobile phone data

UserID Event Time Cell Tower Caller Callee In/Out Duration (s)
38DA6 2015-05-01 18:26:50 1921 38DA6 163B7 Out 52
78EC3 2015-05-01 14:16:09 2189 53808 78EC3 In 600
9FAFE 2015-05-01 23:20:09 2189 9FAFE 7BBF1 Out 41
708A2 2015-05-01 08:21:10 1988 96EC4 708A2 In 37
A27AD 2015-05-01 21:51:09 2189 EA33F A27AD In 108
9F3C7 2015-05-01 13:21:25 20102 C5691 9F3C7 In 134
D4578 2015-05-01 17:03:46 20103 D4578 5B9A3 Out 30
F904A 2015-05-01 23:24:03 1998 F904A F3C88 Out 10
4CCEA 2015-05-01 20:11:38 21104 4CCEA 5EF18 Out 438
A77B8 2015-05-01 09:40:26 21104 A77B8 BD3E5 Out 33
D5761 2015-05-01 20:34:40 1999 DAA24 D5761 In 600