Triple

T13989121
Position Surface form Disambiguated ID Type / Status
Subject Dakota Territorial Legislature E336520 entity
Predicate location P40 FINISHED
Object Yankton, Dakota Territory E64027 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: Yankton, Dakota Territory | Statement: [Dakota Territorial Legislature, location, Yankton, 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: Yankton, Dakota Territory
Context triple: [Dakota Territorial Legislature, location, Yankton, Dakota Territory]
  • A. Yankton
    Yankton are a Native American group that forms one of the principal divisions of the Dakota (Sioux) people, traditionally living in the Upper Midwest region of the United States.
  • B. Yankton, South Dakota, United States chosen
    Yankton is a small city in southeastern South Dakota known as a historic Missouri River port and the birthplace of NFL kicker Adam Vinatieri.
  • C. Fort Thompson, South Dakota
    Fort Thompson, South Dakota is a small community on the Crow Creek Indian Reservation along the Missouri River, known for its proximity to Lake Sharpe and its significance to the Crow Creek Sioux Tribe.
  • D. Custer, South Dakota
    Custer, South Dakota is a small city in the Black Hills region known as a gateway to major attractions such as the Crazy Horse Memorial and Custer State Park.
  • E. Jamestown, North Dakota
    Jamestown, North Dakota is a small city in south-central North Dakota known for its agricultural economy, regional services, and attractions like the National Buffalo Museum and the “World’s Largest Buffalo” monument.
  • 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_69d81c639e808190a0e4b4f3d31c6a59 elicitation completed
NER batch_69de2eb22e388190904fc87765176c91 ner completed
NED1 batch_69fcdef5e0648190ace4ec1605968e30 ned_source_triple completed
Created at: April 9, 2026, 10:18 p.m.