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schema.md

File metadata and controls

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Schema

Each line of the uncompressed s2-corpus-xx.gz text file represents a paper. Each paper is described as a JSON dictionary with the following attributes.

  • id: string, S2 generated research paper ID.
  • title: string, Research paper title.
  • paperAbstract: string, Extracted abstract of the paper.
  • entities: list, Extracted list of relevant entities or topics.
  • s2Url: string, URL to S2 research paper details page.
  • s2PdfUrl: string, URL to PDF on S2 if available.
  • pdfUrls: list, URLs related to this PDF scraped from the web.
  • authors: list, List of authors with an S2 generated author ID and name.
  • inCitations: list, List of S2 paper IDs which cited this paper.
  • outCitations: list, List of S2 paper IDs which this paper cited.
  • year: int, Year this paper was published as integer.
  • venue: string, Extracted publication venue for this paper.
  • journalName: string, Name of the journal that published this paper.
  • journalVolume: string, The volume of the journal where this paper was published.
  • journalPages: string, The pages of the journal where this paper was published.
  • sources: list, Identifies papers sourced from DBLP or Medline.
  • doi: string, Digital Object Identifier registered at doi.org.
  • doiUrl: string, DOI link for registered objects.
  • pmid: string, Unique identifier used by PubMed.