As of January, 2012, this site is no longer being updated, due to work and health issues
Guide to Search Tools
Report on Meta Search Engines
A metasearch engine sends queries to multiple search engines
and other data sources, then collates the results in some way and formats
them for display. The data sources can be internal indexes, associated text
search engines, database search engines, message archives, Intranet or webwide
search engines, or even file servers. Meta search engines simply read each
search results page and extract the text from the HTML (this is "screen
For systems which use a protocol to interact with multiple search
engines, see the forthcoming SearchTools
Report on Distributed Search.
Articles & Examples
the Deep Web: Directed Query Engine Applications at the Department of Energy
D-Lib Magazine, January 2001 by Walter L. Warnick, Abe Lederman et al.
Distributed searching of resources in the Energy Dept. performs multiple database
and text searches in parallel. This allows end-users to search without worrying
about the sources and creators of information to avoid extra work of changing
processes, although it will use the Z39.50 protocol if available. The Distributed
Explorer system sends the queries and formats the results for each search
- Department of Energy Directives,
Regulations, Policies and Standards Portal
A single interface to search for many different kinds of DOE information.
of Washington Meta Search Projects
Information about projects including MetaCrawler, HuskySearch, and Grouper.
Seeker -- Intranet Metasearch Tool Lives On Server Information Week,
September 28, 1998, by Justin Hibbard
Describes Dataware product for searching
multiple databases both inside and outside a corporate network, such as news
feeds, web pages, and webwide search engines. The Knowledge Seeker server
groups and ranks results, summarizes results and indicates the source.
Page Updated 2002-05-15