Triple

T20256485
Position Surface form Disambiguated ID Type / Status
Subject High Water Mark of the Rebellion Monument E498714 entity
Predicate locatedNear P294 FINISHED
Object Copse of Trees at Gettysburg — NE NERFINISHED

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: Copse of Trees at Gettysburg | Statement: [High Water Mark of the Rebellion Monument, locatedNear, Copse of Trees at Gettysburg]

Disambiguation candidates (2 decisions)

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: Copse of Trees at Gettysburg
Context triple: [High Water Mark of the Rebellion Monument, locatedNear, Copse of Trees at Gettysburg]
  • A. Gettysburg National Military Park
    Gettysburg National Military Park is a preserved Civil War battlefield and memorial site commemorating the pivotal 1863 Battle of Gettysburg in Pennsylvania.
  • B. Gettysburg Historic District
    Gettysburg Historic District is a nationally significant area in Gettysburg, Pennsylvania, known for its well-preserved Civil War–era buildings, battlefield-related sites, and 19th-century townscape.
  • C. Gettysburg National Cemetery
    Gettysburg National Cemetery is a historic U.S. military burial ground in Pennsylvania best known as the site where President Abraham Lincoln delivered the Gettysburg Address.
  • D. Gettysburg Museum and Visitor Center
    The Gettysburg Museum and Visitor Center is the main interpretive and orientation facility for Gettysburg National Military Park, featuring exhibits, the restored Gettysburg Cyclorama, and services for visitors exploring the battlefield.
  • E. Antietam National Battlefield
    Antietam National Battlefield is a U.S. National Park Service site in Maryland that preserves the location of the Battle of Antietam, one of the bloodiest and most significant engagements of the American Civil War.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Copse of Trees at Gettysburg
Target entity description: The Copse of Trees at Gettysburg is a small clump of trees on Cemetery Ridge that served as a key visual landmark and focal point for Pickett’s Charge during the Battle of Gettysburg in the American Civil War.
  • A. Gettysburg National Military Park
    Gettysburg National Military Park is a preserved Civil War battlefield and memorial site commemorating the pivotal 1863 Battle of Gettysburg in Pennsylvania.
  • B. Gettysburg Historic District
    Gettysburg Historic District is a nationally significant area in Gettysburg, Pennsylvania, known for its well-preserved Civil War–era buildings, battlefield-related sites, and 19th-century townscape.
  • C. Gettysburg National Cemetery
    Gettysburg National Cemetery is a historic U.S. military burial ground in Pennsylvania best known as the site where President Abraham Lincoln delivered the Gettysburg Address.
  • D. Gettysburg Museum and Visitor Center
    The Gettysburg Museum and Visitor Center is the main interpretive and orientation facility for Gettysburg National Military Park, featuring exhibits, the restored Gettysburg Cyclorama, and services for visitors exploring the battlefield.
  • E. Antietam National Battlefield
    Antietam National Battlefield is a U.S. National Park Service site in Maryland that preserves the location of the Battle of Antietam, one of the bloodiest and most significant engagements of the American Civil War.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da6275fa6c8190952924930adee150 elicitation completed
NER batch_69e674c6693081908ff8bec12f212f7b ner completed
Created at: April 11, 2026, 11:41 p.m.