Triple

T18672483
Position Surface form Disambiguated ID Type / Status
Subject Lakota–Northern Cheyenne alliance E456513 entity
Predicate locatedIn P40 FINISHED
Object Dakota Territory — 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: Dakota Territory | Statement: [Lakota–Northern Cheyenne alliance, locatedIn, Dakota Territory]

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: Dakota Territory
Context triple: [Lakota–Northern Cheyenne alliance, locatedIn, Dakota Territory]
  • A. Dakota Territory chosen
    Dakota Territory was a 19th-century organized incorporated territory of the United States that once encompassed the areas that later became North Dakota, South Dakota, and parts of neighboring states.
  • B. Wyoming Territory
    Wyoming Territory was an organized incorporated territory of the United States in the late 19th century that preceded the state of Wyoming and encompassed parts of the northern Great Plains and Rocky Mountains.
  • C. Nebraska Territory
    Nebraska Territory was a mid-19th-century U.S. organized incorporated territory that once encompassed much of the northern Great Plains before being gradually reduced to form the state of Nebraska and parts of several other states.
  • D. Montana Territory
    Montana Territory was an organized incorporated territory of the United States that existed from 1864 to 1889 in the northwestern region of the country, preceding the state of Montana.
  • E. Kansas Territory
    Kansas Territory was a mid-19th-century U.S. territorial region that became a focal point of violent conflict over slavery’s expansion before eventually entering the Union as the state of Kansas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8d38f72b4819090a935175d9ca8af elicitation completed
NER batch_69e556b34fd881909f1b049a325d8826 ner completed
Created at: April 10, 2026, 11:48 a.m.