cord19_paragraph_citations: Link papers, and paragraphs within them, to citations
In dgrtwo/cord19: COVID-19 Open Research Dataset

One observation for each combination of a paragraph and citation. Includes only the ones in cord19_papers (thus, deduplicated and filtered). Can be joined with cord19_paper_citations with paper_id and ref_id, or with cord19_paragraphs using paper_id and paragraph.

1	cord19_paragraph_citations

A tibble with variables:

paper_id: Unique identifier that can link to metadata and citations. SHA of the paper PDF.
paragraph: Index of the paragraph within the paper (1, 2, 3)
start: Index within the text where this citation starts
end: Index within the text where this citation starts
text: Text of the citation (usually a number, or a number with parentheses)
ref_id: Reference ID, can be used to join to cord19_paper_citations