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 from_lom_id = "doi:10.1016/j.apm.2014.12.016"

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Link from_lom_id to_lom_id kind locator
doi:10.1016/j.apm.2014.12.016,openalex:W157468466,cites A hybrid particle swarm optimization and genetic algorithm for closed-loop supply chain network design in large-scale networks doi:10.1016/j.apm.2014.12.016 Genetic Algorithms, Tournament Selection, and the Effects of Noise. openalex:W157468466 cites OpenAlex cites:W157468466 (top 20 by cited_by_count)

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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)
);