Process and system for metasearching on the Internet performed by a metasearch engine, comprising: receiving an HTTP request from a client device for the metasearch engine to send a plurality of search queries to a plurality of unique hosts providing access to information to be searched, each search...http://www.google.com.hk/patents/US8073904?utm_source=gb-gplus-share專利 US8073904 - Metasearch engine for ordering items returned in search results using multiple queries on multiple unique hosts
