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While the pages and media found via simple searches may seem unendingly huge at times, what is submerged and largely unseen – often referred to as the invisible web or deep web – is in fact far, far bigger.
Many students are not aware that there is an "invisible web" that may be searched, one that is not quite so easy to find but has more information than Google provides (which tends to look at the "Surface Web"). According to this post Google has indexed "roughly 200 terabytes" while the size of the Internet is estimated at "5 million terabytes" of information.
The post provides a look at what is not found through Google (or other common search engines) and then shares:* A list of Open Access Journal Databases (with over 10 databases with descriptions)
* A list of Invisible Search Engines. Quoting from the post "The search engines that deliver results from the invisible web are distinctly different. Narrower in scope, these deep web engines tend to access only a single type of data…deep web searches tend to be more thoughtful in their initial query requirements." Ten search engines are listed and there is a short description for each.
* A list of subject-specific databases in the following areas
- Art & Design
- Legal & Social Services
- Science & Technology
Although this post is geared to students in college there are resources that may be used by students in middle or high school provided, and as teachers it is important for us to learn more about this "invisible web" and to share it with our students.
An incredible amount of information is out there. Finding it and accessing it makes a huge difference. Here are some good ideas on how to do that.