Which of the following offer access to newspapers, journals, digital copies of books and other sources often not available with standard search engines?
A) Online databases
B) Metasearch engines
C) Monitoring algorithms
D) Boolean searches
E) Enterprise search engines
Answer: A
Explanation: A) Third, online databases help address the challenge of the hidden Internet by offering access to newspapers, magazines, journals, digital copies of books, and other resources often not available with standard search engines. Some of these databases offer free access to the public, but others require a subscription. Also, a variety of specialized search engines now exist to reach various parts of the hidden Internet.
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