Method and apparatus for extending an on-line internet search beyond pre-referenced sources and returning data over a data-packet-network (DPN) using private search engines as proxy-engines

摘要

A search function is provided for Internet searching capable of searching to greater depth than conventional search functions. The new function tests returned electronic documents from a first search for a second search function, and, finding a second function, transfers at least a form of first search criteria into the second search function, then initiated the second function, and returns at least addresses of documents found by the second function into the first function. In a preferred embodiment a search function according to the invention is provided by a subscription portal server, and operates by proxy, initiated and controlled by subscribers. In this form, primary searches may be limited to destinations registered to specific subscribers using the function.