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" " Search for Articles that exactly match the search keyword in " " "Global Open access Trends"
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Finds records containing all terms separated by the operator Open access AND Trends
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Search Tip
Operator Description Example
( ) Use Parentheses to override operator precedence. The expression inside the parentheses is executed first. ((Open access AND Trends) AND Global) NOT Policy
" " Search for Articles that exactly match the search keyword in " " "Global Open access Trends"
AND
(Capital letter)
Finds records containing all terms separated by the operator Open access AND Trends
OR
(Capital letter)
Finds records containing any of the terms separated by the operator Open access OR Trends
NOT
(Capital letter)
Excludes records containing certain words from your search (Open access AND Trends) NOT Policy
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OA Guide

open access

Open Access
Open Access: Free availability on the public internet, permitting any users to read, download, copy, distribute, link to the full texts of these articles,
or use them for any other lawful purpose, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself.

[Source] Budapest Open Access Initiative(BOAI) Declaration, 2002

Financial Barrier
License fees, usage charges, membership dues, and other access-related fees
Legal Barrier
Copyright, licensing, and usage rights issues
Technical Barrier
Permanent access, standardization, and online accessibility issues
Gold OA
Enabling broad access to scholarly articles by publishing them in open-access journals, allowing unrestricted utilization by all interested parties.
Green OA
Authors voluntarily deposit their papers in open repositories or archives, enabling unrestricted access to their work for all interested parties.