Monday, March 13, 2017

How to find scientific papers including the green open access ones?

Not all scientific papers are readily available. Traditional publishers are still publishing the majority of their articles behind paywalls (= restricting access to Internet content via a paid subscription).
Since the emerging of the Open Access Movement it has become more common for universities and other parties to publish the text of scientific articles in their repositories for free = so called green open access (= self-archiving). These are usually the manuscript versions (.i.e. the version that is not lay outed yet by the publisher).
It is not always easy to find especially these green open access versions, if the publisher’s version is paywalled.

However, there are some initiatives to make it easier for you to find these papers.

BASE : Bielefeld Academic Search Engine. 

We are indexing the metadata of all kinds of academically relevant resources - journals, institutional repositories, digital collections etc. -, which provide an OAI interface and use OAI-PMH for providing their contents.
Unpaywall add-on for Chrome and Firefox
Millions of researchers are currently uploading their own fulltext PDFs to preprint servers and institutional repositories worldwide, making them free for anyone to read.
The people of Impactstory have created a browser extension that suggest you to find an unpaywalled version of your article. Next to the journal appears a small icon, if it is green you can click on it and find the free version. 

OAdoi: Leap over tall paywalls in a single bound.
Go to the website and paste in a doi: An oaDOI link is like a DOI, with a useful difference: if there's an open access version of the article, the oaDOI URL will send you there, instead of the paywalled article landing page.
These are all legal uploads made available via  green open access.

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