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• Computers: Internet: On the Web: Web Portals  (51)
• Computers: Internet: Web Design and Development: Promotion  (1,770)
• Reference: Knowledge Management: Knowledge Representation: Semantic Web  (50)

Pandia Powersearch :

  - List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter.
Age of Dot Com :

- Links to search resources including start pages, integrated search forms, portals, engines, guides, and directories. Offers both a simple links page and a directory with descriptions and ratings.
Aleph Search :

- A directory of directories. Links to selected information rich web resources, both unspecialised and specialised, with a strong emphasis on United Kingdom based sites.
Alt Search Engines :

- Charles Knight maintains a list of the top 100 alternative and niche search engines. Includes news, reviews and debates on search engines.
Big Search Engine Index :

- Directory listing hundreds of search engines, categorized, described and rated.
Complete Planet :

- Directory of databases and specialty search engines from Bright Planet.
CyberTimes Navigator :

- The starting point that New York Times reporters and editors use for their explorations of the Web. A straightforward list of some of the best sources on the Web for all types of information.
Direct Search :

- Gary Price's compilation of links to the search interfaces of resources that contain data not easily or entirely searchable/accessible from general search tools.
Fetchfido :

- A graphical interface of links to search engines. Multi-layered, with universal, United Kingdom, United States, European and worldwide sections.
FinderSeeker :

- Find the search engine you want by selecting a thematical category and/or country, or search by keyword.
FTP Search Engines :

- Rated links to ftp and mp3 search sites.
Geniusfind :

- Categorizes thousands of the most useful topic-specific directories and databases, with descriptions.
Indexing the Internet :

- An essay by John Hubbard analyzing the question of what is the best way to index the Internet, with references.
ISEDB :

- A directory of search engines and directories worldwide, organized by geographical area and subject, includes articles on site submission, marketing, and optimization.
OpenSearch :

- A collection of simple formats for the sharing of search results. Includes specifications and frequently asked questions.
Search Engine Colossus :

- Directory of hundreds of search engines, organised by country and topic.
Search Engine Relationship Chart :

- Bruce Clay's pictorial view of how search engines provide data to partner engines and directories. [PDF]
Search Engine Showdown :

- A user's guide to Web searching with features, comparative analysis, strategies, discussion, news and reviews.
Search Engine Watch :

- A guide to search engine marketing and search engine optimization. Forums, reviews, articles, ratings, and frequent newsletters. Paying members receive access to extra content.
Search Engines Worldwide :

- Search engines sorted by geographical location.
Search Tools for Web Sites and Intranets :

- Provides information, news and advice about web site searching technology. Includes a guide, search tools list, glossary, and opportunity to compare searches of its own site by different tools. Offers a free monthly email newsletter.
Searchenginez :

- Search forms for the most effective engines in dozens of categories from Robert Skelton. Includes reviews, ratings, webmaster tools, and tutorials.
Those Dark Hiding Places: The Invisible Web Revealed :

- Librarian Robert J. Lackie provides annotated links to directories, searchable sites, databases, and search engines useful for uncovering content that the general search engines fail to disclose.
Topix: Search Engines News :

- News on the search engine industry continually updated from thousands of sources around the Net.
The Ultimate Search Engine Links Page :

- A directory of search engines: general, metasearch, pay-per-click, children's, subject, country and people search. All are described and can be rated.