Triple

T5190545
Position Surface form Disambiguated ID Type / Status
Subject Central Pacific Railroad E117141 entity
Predicate meetingLocation P2445 FINISHED
Object Promontory Summit, Utah Territory E38257 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: Promontory Summit, Utah Territory | Statement: [Central Pacific Railroad, meetingLocation, Promontory Summit, Utah 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: Promontory Summit, Utah Territory
Context triple: [Central Pacific Railroad, meetingLocation, Promontory Summit, Utah Territory]
  • A. Promontory Summit, Utah Territory chosen
    Promontory Summit, in the former Utah Territory, is the historic site where the First Transcontinental Railroad was completed in 1869 with the driving of the Golden Spike.
  • B. Bryce, Utah
    Bryce, Utah is a small gateway town in southern Utah that serves as the primary access point and service hub for visitors to Bryce Canyon National Park.
  • C. Skull Valley, Utah
    Skull Valley, Utah is a sparsely populated desert valley in northwestern Utah known for its remote landscape, military testing areas, and environmental controversies over hazardous waste and nuclear storage proposals.
  • D. Ophir, Utah
    Ophir, Utah is a small historic mining town in Tooele County known for its 19th-century silver and lead mines and well-preserved Old West character.
  • E. Promontory Mountains
    The Promontory Mountains are a mountain range in northern Utah best known as the site where the First Transcontinental Railroad was completed at Promontory Summit in 1869.
  • 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_69bd44620ff48190bcac01782107a397 elicitation completed
NER batch_69bd79ebbfd081909a19b903c227fc1f ner completed
NED1 batch_69bee09146788190bfaac25a31e76ab5 ned_source_triple completed
Created at: March 20, 2026, 1:46 p.m.