<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="white" lang="EN-AU" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif";color:#1f497d">Stevan will tell you [ResearchGate] is just another Green Road (author self-archiving) but I have called it the Titanium Road to emphasise that it is based on social networking rather than mandates.</span></p>
</div></div></blockquote><div><br></div><div>Gold OA means the publisher makes the (published) article OA (regardless of whether publisher is subscription-based, subsidized, author-pays or subsidized)</div><div><br></div>
<div>Green OA means author makes (published or unpublished) article OA (regardless of whether OA is mandated or unmandated, in Institutional Repository, Central Repository, Homepage, ResearchGate, Mendeley or Google)</div>
<div><br></div><div>The reason I think there is no need for "Blue OA" or "Yellow OA" (as SHERPA would have it), nor for "Platinum OA," "Diamond OA" or "Titanium OA," is that the purpose of neologisms is to mark distinctions that dispel confusion rather than create it. </div>
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