Triple

T7566749
Position Surface form Disambiguated ID Type / Status
Subject Battle of Shepherdstown E178932 entity
Predicate partOf P40 FINISHED
Object Maryland Campaign E145572 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: Maryland Campaign | Statement: [Battle of Shepherdstown, partOf, Maryland Campaign]

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: Maryland Campaign
Context triple: [Battle of Shepherdstown, partOf, Maryland Campaign]
  • A. Maryland Campaign chosen
    The Maryland Campaign was Confederate General Robert E. Lee’s first major invasion of the North during the American Civil War in 1862, culminating in the Battle of Antietam.
  • B. Manassas Campaign
    The Manassas Campaign was the early American Civil War operation in northern Virginia that culminated in the First Battle of Bull Run, marking the war’s first major land engagement.
  • C. Northern Virginia Campaign
    The Northern Virginia Campaign was a series of American Civil War battles in the summer of 1862 in which Confederate forces under Robert E. Lee drove Union armies out of Virginia, culminating in the Second Battle of Bull Run.
  • D. Gettysburg Campaign
    The Gettysburg Campaign was a major 1863 Confederate offensive into Union territory during the American Civil War that culminated in the pivotal Battle of Gettysburg.
  • E. Fredericksburg campaign
    The Fredericksburg campaign was a major American Civil War operation in late 1862 in which Union forces under Ambrose Burnside attempted and failed to seize the Confederate stronghold of Fredericksburg, Virginia, resulting in a lopsided Confederate victory.
  • 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_69c69f2f80288190b95cceb4da92ab2b elicitation completed
NER batch_69c6f91c717881909c88901cc3b101c7 ner completed
NED1 batch_69c8616207f88190834dc2412001af3f ned_source_triple completed
Created at: March 27, 2026, 3:50 p.m.