Also known as the "deep web," this intriguing term describes the part of the Internet that is not cataloged by the major search engines. We're not talking about the content behind corporate firewalls, which cannot be accessed legally. This is the publicly-available content that is ignored or inaccessible by the search engines for technical reasons (e.g., their website-crawling spiders can't index dynamically-generated web pages, such as in databases). But you can get to it.
One good starting point is the aptly-named Invisible Web (www.invisibleweb.com), which uses humans to nicely categorize the database resources found by their customized web crawler, though you may also discover gems in an academically-skewed service like Infomine (http://infomine.ucr.edu).
An important subset of the deep web--also useful outside the recruiting field--are these databases: directories of people, phone numbers, governmental actions, etc. Many search engines may list a link TO a database, but using search engines won’t pull results FROM that database. So you can find the homepage of deep web databases: use your normal search keywords on sites like Yahoo or Google but tack the word database onto the end. For example, if you search for chemistry database, among your top results is ChemWeb, which hosts a database of patents, including inventor and assignee name/data (www.chemweb.com/databases/patents). Here are some other sites that lead you to the deep web:
A good article (http://www.lib.berkeley.edu/Teaching...isibleWeb.html) describes deep web in depth.
From India, Gurgaon
656One good starting point is the aptly-named Invisible Web (www.invisibleweb.com), which uses humans to nicely categorize the database resources found by their customized web crawler, though you may also discover gems in an academically-skewed service like Infomine (http://infomine.ucr.edu).
An important subset of the deep web--also useful outside the recruiting field--are these databases: directories of people, phone numbers, governmental actions, etc. Many search engines may list a link TO a database, but using search engines won’t pull results FROM that database. So you can find the homepage of deep web databases: use your normal search keywords on sites like Yahoo or Google but tack the word database onto the end. For example, if you search for chemistry database, among your top results is ChemWeb, which hosts a database of patents, including inventor and assignee name/data (www.chemweb.com/databases/patents). Here are some other sites that lead you to the deep web:
- · Internets (www.internets.com): Over 1,000 searchable databases.
· Complete Planet (brightplanet.com): Many databases linked, information about the deep web topic, and its downloadable LexiBot software to access such content.
· Direct Search (jinfo.com): A browsable (not searchable, and thus less user-friendly) grouping of useful links by Gary Price (creator of the “List of Lists”) to many deep web research sites.
· Fossick (www.fossick.com): Over 3,000 specialist search engines and topical guides.
· IncyWincy (www.incywincy.com): Claims to be “the invisible web search engine”.
· Search (www.search.com): CNet offers many subject-based databases.
· Wall Street Executive Library (www.executivelibrary.com): Geared to facilitate business research (finance, trends, and other industry information). Its database links to industry and government research (www.executivelibrary.com/Research.asp) should be particularly worthwhile.
A good article (http://www.lib.berkeley.edu/Teaching...isibleWeb.html) describes deep web in depth.
From India, Gurgaon
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