The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2018
Filed:
May. 26, 2017
The Nielsen Company (Us), Llc, New York, NY (US);
Daniel Nelson, Tampa, FL (US);
Venugopal Srinivasan, Palm Harbor, FL (US);
Arun Ramaswamy, Tampa, FL (US);
Raghuram Ranganathan, Tampa, FL (US);
Kenneth William McArthur, Dunedin, FL (US);
The Nielsen Company (US), LLC, New York, NY (US);
Abstract
Methods, apparatus and articles of manufacture for signature retrieval and matching for media monitoring are disclosed. An example apparatus includes a hash table populator to store hash keys of reference signatures included in a reference signature block associated with reference media in entries of a hash table, and store qualifier data in the entry of the hash table, the qualifier data including a timestamp, an offset, and an identifier associated with the reference signature of the hash key. The apparatus further including a block table populator to store a block table key corresponding to the reference signature block in the entry of a block table, the block table key including the timestamp and the identifier, and store the reference signature block, a preceding reference signature block and a subsequent reference signature block in the first entry of the block table. The apparatus further including a signature matcher to access the hash table and the block table to retrieve candidate reference signatures to compare with site signatures to identify the monitored media.