Triple

T11896990
Position Surface form Disambiguated ID Type / Status
Subject Ambrose E. Burnside E283059 entity
Predicate battle P12 FINISHED
Object Battle of Antietam E24583 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: Battle of Antietam | Statement: [Ambrose E. Burnside, battle, Battle of Antietam]

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: Battle of Antietam
Context triple: [Ambrose E. Burnside, battle, Battle of Antietam]
  • A. Battle of Antietam chosen
    The Battle of Antietam was a pivotal 1862 clash in the American Civil War, known as the bloodiest single day in U.S. military history and a turning point that enabled Abraham Lincoln to issue the Emancipation Proclamation.
  • B. Battle of Sharpsburg
    The Battle of Sharpsburg, also known as the Battle of Antietam, was a major American Civil War clash in Maryland in 1862 that became the bloodiest single-day battle in U.S. history and led to President Abraham Lincoln issuing the Emancipation Proclamation.
  • C. Battle of Marye's Heights
    The Battle of Marye's Heights was a key phase of the American Civil War’s Battle of Fredericksburg, marked by devastating Union assaults against well-entrenched Confederate forces on a fortified ridge above the town.
  • D. Seven Days Battles
    The Seven Days Battles were a series of American Civil War engagements in 1862 near Richmond, Virginia, in which Confederate forces under Robert E. Lee halted the Union Army’s Peninsula Campaign.
  • E. Battle of South Mountain
    The Battle of South Mountain was an American Civil War engagement in September 1862 in which Union forces fought through key mountain passes in Maryland, setting the stage for the subsequent Battle of Antietam.
  • 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_69d6ab2a90b08190a4e818821cc93e6d elicitation completed
NER batch_69d8dd1286808190949719f54ff49a01 ner completed
NED1 batch_69f418205b788190a4b1b81d89cf7fff ned_source_triple completed
Created at: April 8, 2026, 9:44 p.m.