 | ||||||
Invisible Web Search Engines
The Invisible Web, Hidden Web,or the Deep Web, refers to World Wide Web content that is not part of the Websites indexed by search engines.
OALster (www.oaister.org), resources, often hidden from search engine users behind web scripts, are known as the "deep web." The owners of these resources share them with the world using OAI-PMH. using OAI-PMH (the Open Archives Initiative Protocol for Metadata Harvesting).
Science (www.Science.gov) is a search engine for government science information and research results. Science.gov provides search of more than 50 million pages of science information with just one query, and is a gateway to over 1,800 scientific Web sites.
NoodleTools, this site lists Invisible Web Databases. 3 million students have access to NoodleBib through individual and school subscriptions. 250,000 bibliographies containing nearly 1.5 million accurate citations are authored each month during the school year. http://www.noodletools.com/debbie/literacies/information/5locate/advicedepth.html
| ||||
