Triple

T5270725
Position Surface form Disambiguated ID Type / Status
Subject Gettysburg Campaign E119249 entity
Predicate majorEngagement P1700 FINISHED
Object Second Battle of Winchester E124327 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: Second Battle of Winchester | Statement: [Gettysburg Campaign, majorEngagement, Second Battle of Winchester]

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: Second Battle of Winchester
Context triple: [Gettysburg Campaign, majorEngagement, Second Battle of Winchester]
  • A. Second Battle of Winchester chosen
    The Second Battle of Winchester was a major Confederate victory in June 1863 during the American Civil War that opened the Shenandoah Valley for Robert E. Lee’s army and set the stage for the Gettysburg Campaign.
  • B. Battle of Winchester (Third Battle of Winchester)
    The Battle of Winchester, also known as the Third Battle of Winchester, was a major Union victory in the American Civil War in which General Philip Sheridan decisively defeated Confederate forces in the Shenandoah Valley in September 1864.
  • C. First Battle of Winchester
    The First Battle of Winchester was a major early American Civil War engagement in May 1862, in which Confederate forces under Stonewall Jackson defeated Union troops, contributing to his famed Shenandoah Valley Campaign.
  • D. Battle of Fisher’s Hill
    The Battle of Fisher’s Hill was an 1864 American Civil War engagement in Virginia’s Shenandoah Valley in which Union forces under Philip Sheridan decisively defeated Confederate troops, helping secure Union control of the region.
  • E. Battle of Spotsylvania Court House
    The Battle of Spotsylvania Court House was a major and brutal engagement of the American Civil War’s Overland Campaign in May 1864, marked by intense trench warfare and heavy casualties between Union forces under Ulysses S. Grant and Confederate forces under Robert E. Lee.
  • 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_69bd446c38e081908cdaf113bdf86790 elicitation completed
NER batch_69bd7bff37cc819095423cf914086c1b ner completed
NED1 batch_69bfcb96c56c8190908d5aacd5afc88e ned_source_triple completed
Created at: March 20, 2026, 1:51 p.m.