1. A personal search agent system, comprising: a user agent comprising a processor or microprocessor, wherein the processor or microprocessor is programmed to: receive a query statement from a user; format the query statement; forward the query statement to a server-based search manager agent; receive the response to the query statement; and display the response to the user; a search manager agent comprising a processor or microprocessor, wherein the processor or microprocessor is programmed to: receive a query statement from the user agent; assign search tasks to one or more search engine task agents; collect search results; validate search results; orders search results into a response; and forward the response to the user agent; a user miner agent comprising a processor or microprocessor, wherein the processor or microprocessor is programmed to: observe the user's interaction with the user agent; and learn the behavior and preferences of the user; and a data mining agent comprising a processor or microprocessor, wherein the processor or microprocessor is programmed to: analyze the responses to the user's queries; and build a conceptual network of the knowledge contained in the response.