citation_edge

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

20 rows where to_lom_id = "openalex:W157468466"

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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)
);