US9852163B2
патент
(57) 30 , 2013 Methods and apparatus to de- duplicate impression informa tion are disclosed . An example method to de - duplicate media impression information includes determining an over
Притязаний: 19. Знаков текста: 255 415.
патент
(57) 30 , 2013 Methods and apparatus to de- duplicate impression informa tion are disclosed . An example method to de - duplicate media impression information includes determining an over
Притязаний: 19. Знаков текста: 255 415.