US11381859B1
patent
Methods, apparatus, systems and articles of manufacture are disclosed to generate measures of unique audiences for Internet - based media . An example apparatus disclosed herein includes at least one memory, instructions, and at least one processor. The processor to execute the instructions to : receive first HyperLogLog ( HLL ) data from a first server of a first database proprietor and second HyperLogLog (HLL ) data from a second server of a second database
28 claims. 141,945 characters of text.