Triple

T11896992
Position Surface form Disambiguated ID Type / Status
Subject Ambrose E. Burnside E283059 entity
Predicate battle P12 FINISHED
Object Battle of the Crater E190777 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 the Crater | Statement: [Ambrose E. Burnside, battle, Battle of the Crater]

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 the Crater
Context triple: [Ambrose E. Burnside, battle, Battle of the Crater]
  • A. Battle of the Crater chosen
    The Battle of the Crater was a notable and disastrous 1864 Union assault during the American Civil War, in which an underground mine explosion before Petersburg, Virginia, led to heavy Union casualties and a failed breakthrough.
  • B. Battle of New Market Heights
    The Battle of New Market Heights was an American Civil War engagement near Richmond, Virginia, in 1864, notable for the heroic assault by United States Colored Troops that helped break Confederate defenses.
  • C. Battle of Cold Harbor
    The Battle of Cold Harbor was a major and notoriously bloody 1864 Civil War engagement near Richmond, Virginia, in which Confederate forces under Robert E. Lee repelled repeated Union assaults during Ulysses S. Grant’s Overland Campaign.
  • D. Battle of the Weldon Railroad
    The Battle of the Weldon Railroad was an August 1864 American Civil War engagement in which Union forces seized and held a key Confederate supply line south of Petersburg, contributing significantly to the eventual fall of the city.
  • E. Battle of Fort Stedman
    The Battle of Fort Stedman was a late-March 1865 Confederate breakout attempt against Union lines near Petersburg, Virginia, whose failure hastened the collapse of Robert E. Lee’s army and the end of the American Civil War.
  • 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.