When publications are made freely available online to all at no cost and with limited restrictions with regards reuse. There are different terms used when discussing Open Access.
Open Access Journals
Journals that make all their content is published open access.
Paid Open Access
For an additional fee, some publishers will make an article open access. Details of this arrangement can vary from publisher to publisher.
Mandated Open Access
When a research funding organization makes it a condition of a grant that the research paper be placed on a repository for open access. If this is the case, the author should communicate this to the publisher before they submit the article to be published.
Gold Open Access
Refers to the final published version being freely and permanently open-access, immediately after publication
Green Open Access
Refers to the manuscript version (pre-print or post-print) being placed on a repository where it is freely accessible. This is the type of open access offered on DSpace.
Embargo periods
Some publishers enforce an embargo period before you can make your work available on an Institutional Repository. When we add your paper to DSpace, we can input the embargo date, and the paper will only become available on that date.