Triple

T8383203
Position Surface form Disambiguated ID Type / Status
Subject Dade massacre E197745 entity
Predicate historicalPeriod P302 FINISHED
Object Antebellum period in the United States E46535 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Antebellum period in the United States | Statement: [Dade massacre, historicalPeriod, Antebellum period in the United States]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Antebellum period in the United States
Context triple: [Dade massacre, historicalPeriod, Antebellum period in the United States]
  • A. Antebellum period chosen
    The Antebellum period was the era in United States history between the War of 1812 and the Civil War, marked by rapid expansion, intensifying sectional conflict over slavery, and significant social and political change.
  • B. Antebellum
    Antebellum is a 2020 American psychological horror film that blends social commentary on racism with elements of time-bending and historical trauma.
  • C. American Civil War and Reconstruction era
    The American Civil War and Reconstruction era was the mid-19th-century period in United States history marked by the Civil War (1861–1865) and the subsequent efforts to rebuild the South and redefine civil rights and federal-state relations.
  • D. American South (19th and early 20th centuries)
    The American South in the 19th and early 20th centuries was a predominantly agrarian, racially segregated region defined by the legacy of slavery, the Civil War, and Jim Crow laws, with a political culture rooted in white supremacy and states’ rights.
  • E. Early Republic of the United States
    The Early Republic of the United States was the formative period from the 1790s to the 1820s when the new nation established its political institutions, financial system, and party politics under the Constitution following the American Revolution.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca82f64c188190af4e1608036b865d elicitation completed
NER batch_69cb80ddc0f08190a90d4d9070bf713b ner completed
NED1 batch_69ce02c0664481908f3c79246350a248 ned_source_triple completed
Created at: March 30, 2026, 6:02 p.m.