AOL Search provides users with editorial listings that come from Google's crawler-based index. What makes AOL's search useful is the convenience it provides to its AOL members. While you can use Google's search tool and get much of the same results, the AOL internal search will bring up content from within its corporate company, Time Warner. That provides access to its strong media resources, but doing the AOL search from outside of AOL means you give up some of Google's power, losing Google's useful page caching feature.
MSN Search is gearing up to become a major player. Its owner, Microsoft, is known for - besides making lots of money - constantly reworking software products until they get it right. While Google, Yahoo! and Ask Jeeves/Teoma moved to the forefront as the major players in the search engine field, Microsoft has been pumping millions of dollars and significant resources into its own search engine tool. MSN has been using the Inktomi database for its search engine, but since Yahoo!'s purchase of Inktomi, MSN is expected come up with its own database. The existing MSN search site is a strong one, combining a deep crawler-based search with the LookSmart computer-generated directory. MSN Search is already a worthwhile tool, but much more is expected from Microsoft when its new search engine is ready.
Netscape, another division of Time Warner, also uses Google for its main listings. About the only difference here is in appearance. Results are similar to an AOL search.
Lots of search tools come and go. Dipsie talks a big game, but after its May, 2004 debut, it could be a while before its capabilities can be really assessed. Officials of the Chicago-based search engine company say they will reach portions of the Internet that other search engines cannot, and Dipsie debuts with five billion documents in its index - more than Google. They say they will have over ten billion pages within the first year - more than double what the largest search tools offer.
This search engine offers the user an opportunity to tweak the keyword density portion of its relevancy algorithm, which is something you find in the fee-based databases like LexisNexis and Factiva, where the searcher can specify how many times a word or phrase must be mentioned in a document to be considered relevant. Often, the syntax "at least (x)" is used. There is also an advanced search and an image search. Fybersearch has a small database, but is worth playing around due to its cool innovations.
Another new search tool, this one is based on open source technology, allowing you to understand how searches are ranked and displayed. Mozdex uses the Open Directory as its base, but it is building its own index.
Still in the beginning stages, Sootle shows great promise. It seems to be indexing entire pages, which could give it a deep database as it crawls the web over time. Sootle uses the Open Directory and also has its own search database.
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