Triple

T1356159
Position Surface form Disambiguated ID Type / Status
Subject Homer Plessy E28992 entity
Predicate causeOfFame P22 FINISHED
Object U.S. Supreme Court decision establishing “separate but equal” doctrine E3886 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: U.S. Supreme Court decision establishing “separate but equal” doctrine | Statement: [Homer Plessy, causeOfFame, U.S. Supreme Court decision establishing “separate but equal” doctrine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U.S. Supreme Court decision establishing “separate but equal” doctrine
Context triple: [Homer Plessy, causeOfFame, U.S. Supreme Court decision establishing “separate but equal” doctrine]
  • A. Plessy v. Ferguson (1896) chosen
    Plessy v. Ferguson (1896) was a landmark U.S. Supreme Court case that upheld racial segregation under the “separate but equal” doctrine, legitimizing Jim Crow laws for decades.
  • B. Brown v. Board of Education
    Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
  • C. Supreme Court decision in Chisholm v. Georgia
    The Supreme Court decision in Chisholm v. Georgia (1793) was an early and controversial ruling that allowed a citizen of one state to sue another state in federal court, prompting the swift adoption of the Eleventh Amendment to limit such suits.
  • D. Buchanan v. Warley
    Buchanan v. Warley is a 1917 U.S. Supreme Court decision that struck down a Louisville racial zoning ordinance, marking an early constitutional limit on government-enforced residential segregation.
  • E. Dred Scott v. Sandford
    Dred Scott v. Sandford was an 1857 U.S. Supreme Court decision that infamously denied citizenship and constitutional rights to African Americans and helped accelerate tensions leading to the Civil War.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a498571d248190a0ac9eb02d97097f completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c28c8dd0819082f94c9e7c837c5f completed March 1, 2026, 10:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69acce6e264481909f7cb907486d3e08 completed March 8, 2026, 1:18 a.m.
Created at: March 1, 2026, 7:56 p.m.