citation_edge

cites / cited_by / stub edges with a locator. Only when bibliography or OpenAlex referenced_works supports them.

Data license: Space charter; records cite primary sources · Data source: TeamScience Space repository

1 row where to_lom_id = "doi:10.1038/31225"

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Link from_lom_id to_lom_id kind locator
arxiv:1903.00742,doi:10.1038/31225,cites Autocurricula and the Emergence of Innovation from Social Interaction: A Manifesto for Multi-Agent Intelligence Research arxiv:1903.00742 Evolution of indirect reciprocity by image scoring doi:10.1038/31225 cites OpenAlex referenced_works of W2920700222

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CREATE TABLE citation_edge (
  from_lom_id  TEXT NOT NULL REFERENCES paper(lom_id),
  to_lom_id    TEXT NOT NULL REFERENCES paper(lom_id),
  kind         TEXT NOT NULL CHECK (kind IN ('cites','cited_by','stub')),
  locator      TEXT,
  PRIMARY KEY (from_lom_id, to_lom_id, kind),
  CHECK (from_lom_id <> to_lom_id)
);