US 12,189,660 B2
Methods and apparatus to determine a frequency distribution for data in a database
Michael R. Sheppard, Holland, MI (US); and Jonathan Sullivan, Hurricane, UT (US)
Assigned to The Nielsen Company (US), LLC, New York, NY (US)
Filed by The Nielsen Company (US), LLC, New York, NY (US)
Filed on Aug. 8, 2022, as Appl. No. 17/883,516.
Claims priority of provisional application 63/256,379, filed on Oct. 15, 2021.
Prior Publication US 2023/0117942 A1, Apr. 20, 2023
Int. Cl. G06F 16/00 (2019.01); G06F 16/2455 (2019.01); G06F 16/28 (2019.01)
CPC G06F 16/285 (2019.01) [G06F 16/24554 (2019.01)] 20 Claims
OG exemplary drawing
 
1. A apparatus comprising:
at least one memory;
instructions in the apparatus; and
one or more processors configured to execute the instructions to at least:
hash data entries corresponding to impressions logged by a server;
split the hashed data entries into groups corresponding to multiple registers;
determine (a) a maximum rank for each of the multiple registers based on the hashed data entries and (b) a maximum rank count for each of the multiple registers;
determine a frequency distribution based on the maximum ranks and the maximum rank counts; and
generate a report including at least one of the frequency distribution, the maximum ranks, or the maximum rank counts.