Triple

T6559710
Position Surface form Disambiguated ID Type / Status
Subject Mary Ellen Marcy E152546 entity
Predicate timePeriod P302 FINISHED
Object American Civil War era E1006 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: American Civil War era | Statement: [Mary Ellen Marcy, timePeriod, American Civil War era]

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: American Civil War era
Context triple: [Mary Ellen Marcy, timePeriod, American Civil War era]
  • A. American Civil War chosen
    The American Civil War was a major 19th-century conflict fought from 1861 to 1865 between the Northern Union states and the Southern Confederate states, primarily over slavery and states’ rights, that reshaped the political and social landscape of the United States.
  • B. Civil War
    "Civil War" is a 2024 dystopian action-drama film written and directed by Alex Garland that follows a team of journalists documenting a near-future American conflict.
  • C. Civil War
    Civil War is a major Marvel Comics crossover event that pits superheroes against each other over government registration, dramatically reshaping alliances and the role of characters like T'Challa in the Marvel Universe.
  • D. Antebellum period
    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.
  • E. Union forces in the American Civil War
    The Union forces in the American Civil War were the armies and navies of the United States that fought to preserve the Union and ultimately defeated the secessionist Confederate states between 1861 and 1865.
  • 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_69c688058d6881908c19b309cc55dbfa elicitation completed
NER batch_69c6ae22442081909bd6e2ba0091c56b ner completed
NED1 batch_69c6cb8bae88819089cff70fa1101a39 ned_source_triple completed
Created at: March 27, 2026, 1:52 p.m.