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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
Basic
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

오픈액세스의 개념
오픈액세스(Open Access : OA)는 이용자가 학술정보를 온라인을 통해 무료로 접근할 수 있고,
합법적으로 자유롭게 다운로드, 복제, 보급, 인쇄, 검색, 링크 등의 이용이 가능하도록 재정적, 법률적, 기술적 장벽을 없앤 학술정보 유통 모형

[출처] Budapest Open Access Initiative(BOAI) 선언, 2002

재정적 장벽
라이선스 요금, 이용 요금, 회비 등
접근비용 문제
법률적 장벽
저작권, 라이선스 등
이용권한 문제
기술적 장벽
영구적인 접근 보장, 표준화 등
온라인 접근성 문제