Triple

T20667982
Position Surface form Disambiguated ID Type / Status
Subject Bismarck–Mandan metropolitan area E507942 entity
Predicate anchorCity P3940 FINISHED
Object Mandan, North Dakota — 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: Mandan, North Dakota | Statement: [Bismarck–Mandan metropolitan area, anchorCity, Mandan, North Dakota]

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: Mandan, North Dakota
Context triple: [Bismarck–Mandan metropolitan area, anchorCity, Mandan, North Dakota]
  • A. Mandan chosen
    The Mandan are a Native American tribe of the Northern Plains, historically known as semi-sedentary village farmers and traders along the upper Missouri River in present-day North Dakota.
  • B. Minot, North Dakota
    Minot, North Dakota is a small city in north-central North Dakota known as a regional economic and transportation hub, particularly for rail and highway travel, and for hosting the Minot Air Force Base.
  • C. Grand Forks, North Dakota
    Grand Forks, North Dakota is a city in the northeastern part of the state known for its Air Force base, regional university, and role as a strategic military and economic center in the Upper Midwest.
  • D. Williston, North Dakota
    Williston, North Dakota is a small city in the northwestern part of the state known as a major hub for the Bakken oil boom and regional energy industry.
  • E. Bismarck, North Dakota
    Bismarck, North Dakota is the state capital and a regional economic and cultural center located in central North Dakota.
  • 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_69e0b4c059bc81908ea762cd73ea4424 elicitation completed
NER batch_69e6b5c4c4608190ae17da4a59e5ae80 ner completed
Created at: April 16, 2026, 11:44 a.m.