TL;DR Crossref's "DOI Event Tracker Pilot"- 11 million+ DOIs 64 million+ events. You can play with it at: http://goo.gl/OxImJa Tracking DOI Events So have you been wondering what we've been doing since we posted about the experiments we were conducting using PLOS's open source ALM code?
Geoffrey Bilder (Mon,) studied this question.
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