Methods and apparatus to assign demographic information to panelists
US11341272B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2020 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Nov 21, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0204
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus to assign demographic information to panelists are disclosed. An example disclosed apparatus disclosed herein includes a database proprietor identifier (DPID) extractor to extract a panelist database proprietor identifier from a cookie, the panelist database proprietor identifier associated with credentials used by a panelist to access a website. The example apparatus further includes a collector to send a message to a first server of an audience measurement entity, the message including the panelist database proprietor identifier and a panelist identifier associated with the panelist, the panelist database proprietor identifier to be distributed with decoy database proprietor identifiers in a query to a second server at a database proprietor to obtain demographic information, the decoy database proprietor identifiers determined based on a probability density function so that a quantity of the decoy database proprietor identifiers is less than would be used if the decoy database proprietor identifiers were selected by a random selection process, the panelist identifier to be used to associate the panelist with a portion of the demographic information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.