Users do not have the time to evaluate multiple search engines and select the engine best suited for their uses. Nor, do users have the time to submit each query to multiple search engines and wade through the resulting flood of good information, duplicated information, irrelevant information, and missing documents. A meta-search engine sends user queries to multiple search engines simultaneously, then retrieves and merges the resulting URLs, thus giving the user the broadest search results. ProFusion Search ProFusion Search sends a query to multiple search engines, simultaneously. The search results returned are then combined, duplicates are removed and relevance factors recalculated.
ProFusion can use up to nine search engines.
MetaCrawler sends queries to Lycos, WebCrawler, Excite, Alta Vista, Yahoo, HotBot, and Galaxy. With MetaCrawler the user has the option of scoring the hits, so that the sorted list can be displayed a number of different ways, such as by locality, region, organization, etc. SavvySearch SavvySearch is an experimental search system designed to query multiple Internet search engines and guides simultaneously. When a query is submitted, a Search Plan is created wherein the search engines are ranked and divided into groups.