1. A method of performing a domain-specific metasearch and obtaining search results therefrom, said method comprising the steps of: providing a metasearch engine capable of accessing generic, web-based search engines and domain-relevant search engines; receiving a query inputted by a user to the metasearch engine and searching for documents on a selected set of said generic, web-based search engines and domain-relevant search engines which are relevant to the query; fetching raw data search results in the form of text documents from each member of the selected set; displaying the raw data on a user interface; supplying the raw data to a data mining module, wherein the data mining module forms clusters of related documents according to an unsupervised clustering procedure; and displaying the clusters of related documents on the user interface.