Triple

T7566787
Position Surface form Disambiguated ID Type / Status
Subject Battle of Shepherdstown E178932 entity
Predicate campaignTheater P710 FINISHED
Object Eastern Theater of the American Civil War E116167 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: Eastern Theater of the American Civil War | Statement: [Battle of Shepherdstown, campaignTheater, Eastern Theater of the American Civil War]

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: Eastern Theater of the American Civil War
Context triple: [Battle of Shepherdstown, campaignTheater, Eastern Theater of the American Civil War]
  • A. Eastern Theater of the American Civil War chosen
    The Eastern Theater of the American Civil War was the primary region of conflict in the eastern United States, encompassing major campaigns and battles between Union and Confederate forces in and around Virginia, Maryland, and Pennsylvania.
  • B. Western Theater of the American Civil War
    The Western Theater of the American Civil War was the major military region west of the Appalachian Mountains where Union and Confederate forces fought pivotal campaigns for control of the Mississippi River and the heartland states.
  • C. Trans-Mississippi Theater of the American Civil War
    The Trans-Mississippi Theater of the American Civil War was the vast western region of conflict west of the Mississippi River, encompassing campaigns in states and territories such as Missouri, Arkansas, Texas, Indian Territory, and parts of the Southwest.
  • D. Western Theater of Military Operations
    The Western Theater of Military Operations was a major Soviet strategic command responsible for coordinating large-scale military activities and planning in the western regions of the USSR, particularly in relation to European fronts.
  • E. Southern theater of operations
    The Southern theater of operations was the region of the American Revolutionary War encompassing major campaigns and battles in the southern colonies, particularly in the Carolinas, Georgia, and Virginia.
  • 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_69c856dc5ea881908c2e0075f9631af4 ned_source_triple completed
Created at: March 27, 2026, 3:50 p.m.