公开(公告)号：US20170316455A1

公开(公告)日：2017-11-02

申请号：US13957215

申请日：2013-08-01

申请人： Oracle America, Inc.

发明人： Daniel Fichter ,  James Hartzell ,  Michael Garrett Seiler ,  Christopher Tsoufakis

IPC分类号： G06Q30/02

CPC分类号： G06Q30/0246

摘要： A system and methods for providing accurate counting of advertisement impressions is described. The system and methods include bloom filter technology or other space-efficient probabilistic data structure algorithms to efficiently determine whether any particular advertisement impression across an enormous set of possibilities has been viewed previously or not, without having to search through every instance of rendering of any particular advertisement impression. The present system and methods include arrays of multiple bloom filters and manipulate them to correct for false positives when conditions create the risk of false positives that may have occurred during data capture on a browser. In addition, the system and methods generate unique qualification identifiers for advertising served, which is evaluated by the bloom filters before a count is incremented.