Labeling Examples

Last update: 2023-02-27
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Sample hit data

Suppose you have the following hit data:

  • The first row contains the labels for each variable.
  • The second row is the name of the variable. If it has an ID label, it contains the assigned namespace in parentheses.
  • Hit data starts in the third row.
Labels I2
ID-PERSON
DEL-PERSON
ACC-PERSON		 I2
ID-DEVICE
DEL-DEVICE
ACC-ALL		 I2
DEL-PERSON
ACC-PERSON		 I2
DEL-DEVICE
DEL-PERSON
ACC-ALL		 I2
ID-DEVICE
DEL-DEVICE
ACC-ALL
Variable Name
(Namespace)		 MyProp1
(user)		 Visitor ID
(AAID)		 MyEvar1 MyEvar2 MyEvar3
(xyz)
Hit Data Mary 77 A M X
Mary 88 B N Y
Mary 99 C O Z
John 77 D P W
John 88 E N U
John 44 F Q V
John 55 G R X
Alice 66 A N Z

Sample Access request

If I submit an access request, the summary file contains the values indicated in the table below. A request may return only a device file, only a person file or one of each. Two summary files are only returned if a person ID is used and expandIds is true.

API Values Returned
File Type		 Data in Summary Access File
Namespace/ID expandIDs MyProp1 Visitor ID MyEvar1 MyEvar2 MyEvar3
AAID=77 false device not present 77 not present M, P X, W
AAID=77 true device not present 77 not present M, P X, W
user=Mary false person Mary 77, 88, 99 A, B, C M, N, O X, Y, Z
user=Mary true person Mary 77, 88, 99 A, B, C M, N, O X, Y, Z
device not present 77, 88 A, B, C N, P U, W
user=Mary
AAID=66		 true person Mary 77, 88, 99 A, B, C M, N, O X, Y, Z
device not present 66, 77, 88 A, B, C N, P U, W, Z
xyz=X false device not present 55, 77 not present M, R X
xyz=X true device not present 55, 77 not present M, P, R W, X

Notice that the setting for expandIDs does not make any difference to the output when a cookie ID is used.

Sample Delete requests

With a delete request using the API values in the first row of the table, the hit table will be updated to look something like this:

AAID=77
(expandIDs value does not matter)
MyProp1 AAID MyEvar1 MyEvar2 MyEvar3
Mary 42 A Privacy-7398 Privacy-9152
Mary 88 B N Y
Mary 99 C O Z
John 42 D Privacy-1866 Privacy-8216
John 88 E N U
John 44 F Q V
John 55 G R X
Alice 66 A N Z
NOTE

Only cells on rows containing AAID = 77 and a DEL-DEVICE label are impacted.

user=Mary
expandIDs=false
MyProp1 AAID MyEvar1 MyEvar2 MyEvar3
Privacy-0523 77 Privacy-1866 Privacy-3681 X
Privacy-0523 88 Privacy-2178 Privacy-1975 Y
Privacy-0523 99 Privacy-9045 Privacy-2864 Z
John 77 D P W
John 88 E N U
John 44 F Q V
John 55 G R X
Alice 66 A N Z
NOTE

Only cells on rows containing user=Mary and a DEL-PERSON label are impacted. Also, in practice, the variable containing A_ID would probably be a prop or an eVar. Its replacement value would be a string starting with “Privacy-”, followed by a random number (GUID), rather than replacing the numeric value with a different, random numeric value.

user=Mary
expandIDs=true
MyProp1 AAID MyEvar1 MyEvar2 MyEvar3
Privacy-5782 09 Privacy-0859 Privacy-8183 Privacy-9152
Privacy-5782 16 Privacy-6104 Privacy-2911 Privacy-6821
Privacy-5782 83 Privacy-2714 Privacy-0219 Privacy-4395
John 09 D Privacy-8454 Privacy-8216
John 16 E Privacy-2911 Privacy-2930
John 44 F Q V
John 55 G R X
Alice 66 A N Z

Note the following:

  • Cells on rows containing user=Mary and a DEL-PERSON label are impacted.
  • Because of ID expansion, cells on rows containing AAID=77, AAID=88 or AAID=99 (which are the AAID values on rows containing user=Mary) and a DEL-DEVICE label are impacted. This includes cells with a DEL-DEVICE label on rows where user=Mary. This causes cells in rows 4 and 5 (as well as rows 1-3) with DEL-DEVICE labels (AAID, MyEvar2 and MyEvar3) to be obfuscated.
  • The expandIDs setting does not expand to the call to include values present in MyEvar3 (X, Y and Z), which has an ID-DEVICE label, when user=Mary. ExpandIDs only expands to include Visitor IDs (AAIDs in this example, but also the ECID) on rows where user=Mary. Thus the last two rows, which contain MyEvar3 values of X and Z are not impacted.
  • MyEvar2 in the fourth and fifth rows are updated because these rows contain the same Visitor ID values (77 and 88) as those on the first and second rows. As a result, ID expansion includes them for device-level deletes.
  • The values of MyEvar2 in rows two and five match both before and after the delete. However, after the delete they no longer match the value N that occurs in the last row, because that row was not updated as part of the delete request.
  • MyEvar3 behaves very differently than it did without ID expansion, because without ID expansion, no ID-DEVICES matched. Now, AAID matches on the first five rows.
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