Patent ID: 8200662

Claim:
A method comprising: receiving from a consumer application a request for activation of a keyword extraction service via an application programming interface, the request for processing by a processor of a computer system, the request including an identity of a content source, the request further including an identification of a particular extraction process of a plurality of selectable extraction processes selected for use by the keyword extraction service on the identified content source, the request further including an identity of a host site; determining whether the keyword extraction service has already processed the identified content source and retained extracted keywords in a data store; extracting keywords from the identified content source based on content at the identified host site using the particular extraction process identified in the request, the keywords being extracted from the identified content source based on aggregate user interaction with the content on the identified host site; ranking the extracted keywords according to measures of popularity and performance measures obtained from tracking aggregate user behavior on the identified host site; and making the extracted keywords accessible to the consumer application.