US9118542B2
patent
Examples to determine media impressions are disclosed. An example method includes detecting a cookie identifier estab lished by a database proprietor at a computing device, deter mining an impression of media, wherein the impression occurs after the cookie identifier is established, determining a first panelist identifier associated with the impression based on the cookie identifier, determining a second panelist iden tifier associated with the impression based on determination of a user identity by a panelist meter associated with the computing device, and storing an adjustment factor deter mined by comparing the first panelist identifier and the sec ond panelist identifier.
41 claims. 176,785 characters of text.