Triple

T10553429
Position Surface form Disambiguated ID Type / Status
Subject Mackinac Bridge Authority E249011 entity
Predicate manages P86 FINISHED
Object Mackinac Bridge E49703 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: Mackinac Bridge | Statement: [Mackinac Bridge Authority, manages, Mackinac Bridge]

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: Mackinac Bridge
Context triple: [Mackinac Bridge Authority, manages, Mackinac Bridge]
  • A. Mackinac Bridge chosen
    The Mackinac Bridge is a major suspension bridge in Michigan that connects the state's Upper and Lower Peninsulas and is one of the longest suspension bridges in the world.
  • B. Detroit–Windsor Ambassador Bridge
    The Detroit–Windsor Ambassador Bridge is a major international suspension bridge that carries road traffic across the Detroit River, linking Detroit, Michigan, in the United States with Windsor, Ontario, in Canada.
  • C. Heart of America Bridge
    The Heart of America Bridge is a major vehicular and pedestrian bridge over the Missouri River that connects downtown Kansas City with North Kansas City.
  • D. Whirlpool Rapids Bridge
    Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
  • E. Duluth Aerial Lift Bridge
    The Duluth Aerial Lift Bridge is a historic vertical-lift bridge in Duluth, Minnesota, that spans the Duluth Ship Canal and serves as an iconic landmark of the city’s harbor.
  • 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_69d381c733c08190ab1dd6239f5f34ae elicitation completed
NER batch_69d52710869c81909b6db1a190825bad ner completed
NED1 batch_69d98832b97c8190a11246e087674e57 ned_source_triple completed
Created at: April 6, 2026, 12:34 p.m.