07372976 is referenced by 132 patents and cites 26 patents.

A method of indexing content for network searching comprises identifying media content signals stored at sites distributed over a distributed computer network; extracting content identifiers from the content signals; using the content identifiers to obtain metadata used to classify the media content signals; and creating a searchable index of the media content signals based on the metadata, wherein users access the searchable index on the distributed computer network to submit a search query for the searchable index to retrieve links to the media content signals.

Title
Content indexing and searching using content identifiers and associated metadata
Application Number
11/466392
Publication Number
7372976 (B2)
Application Date
August 22, 2006
Publication Date
May 13, 2008
Inventor
Kenneth L Levy
Stevenson
WA, US
Geoffrey B Rhoads
West Linn
OR, US
Assignee
Digimarc Corporation
OR, US
IPC
H04K 1/00
View Original Source