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I am looking for an exhaustive Citation Network Dataset for research papers, ideally identified with DOIs.
So far I have found:
which are quite small compared to the number of research papers (> 50 millions)
There is also the Patent citation network, but it pertains to patents, and not research articles.
While it is certainly not exhaustive, the Microsoft Academic Graph is probably worth checking out.
They have a free public API and the complete dataset is also available for download.
There appear to be roughly 127 million papers, 115 million author names, and 529 million references in the 2016/02/05 dataset dump.
DOI's are included in the dataset, but you will notice (particularly with older articles) that references and DOI data are incomplete.
