Patent ID: 9253143
Filing Date: 2016-02-02
CPC Classification: G06F,H04L

Claim Text:
1. A method to retrieve subscription information associated with a first content file, the method comprising: automatically generating, at a client computer, by one or more processors, a hash of the first content file located at the client computer; using the hash at the client computer as a key into a distributed hash table to retrieve at least one subscription identifier, the subscription identifier uniquely identifying a subscription that has been linked to another copy of the first content file located at a peer computer; wherein the subscription contains both a feed describing a source, other than the client computer, of a plurality of different content files, and at least one filter defined by a user of the peer computer, the filter describing a set of criteria used to narrow down the plurality of different content files to a list of content files; retrieving a content list corresponding to the list of content files; and displaying the content list at the client computer.