I haven’t mentioned the Invisible Web in a long time. That of course is the part of the web that is hidden from Google and other general search engines.
This link on Makeuseof.com is about ways to search that part of the web.
Infomine Infomine was developed by a pool of libraries in the United States.
The WWW Virtual Library Considered to be the oldest catalog on the web and was started by started by Tim Berners-Lee, the creator of the web. It lists quite a lot of relevant resources on quite a lot of subjects.
Intute UK centric, but it has some of the most esteemed universities of the region providing the resources for study and research.
Complete Planet Free directory resource makes it easy to access the mass of dynamic databases that are cloaked from a general purpose search. Around 70,000 databses covered.
Infoplease With it tap into a good number of encyclopedias, almanacs, an atlas, and biographies.
DeepPeep Hopes to track 45,000 forms across 7 domains. Includes Auto, Airfare, Biology, Book, Hotel, Job, and Rental. It is in beta.
IncyWincy Behaves as a meta-search engine by tapping into other search engines and filtering the results.
DeepWebTech Has five search engines (and browser plugins) for specific topics. It covers science, medicine, and business.
Scirus has a pure scientific focus. It can scour journals, scientists’ homepages, courseware, pre-print server material, patents and institutional intranets.
TechXtra concentrates on engineering, mathematics and computing. It gives you industry news, job announcements, technical reports, technical data, full text eprints, teaching and learning resources along with articles and relevant website information.
See the full article with links here: http://www.makeuseof.com/tag/10-search-engines-explore-deep-invisible-web/
