1. An image search server that supports thesaurus-based context searching of images on a plurality of web servers, the image search server adapted to be communicatively coupled to a plurality of client devices that initiate one or more searches, the search server comprising: a first portion of a search engine for searching image data contents stored in storage that is associated with the server, the searching occurring in response to the image search server receiving an original search string provided by a client device input; a context manager that generates an augmented search string from the original search string and one or more user's responses to search queries; a second portion of the image search engine that performs image search operations using the augmented search string to obtain more relevant image search results from image databases; and a third portion of the image search engine that delivers the more relevant image search results to the user via a server output circuit.