Triple

T22095850
Position Surface form Disambiguated ID Type / Status
Subject Carson River Canyon E546029 entity
Predicate associatedWith P37 FINISHED
Object Virginia and Truckee Railroad — 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: Virginia and Truckee Railroad | Statement: [Carson River Canyon, associatedWith, Virginia and Truckee Railroad]

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: Virginia and Truckee Railroad
Context triple: [Carson River Canyon, associatedWith, Virginia and Truckee Railroad]
  • A. Virginia and Truckee Railroad chosen
    The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
  • B. Oregon and California Railroad
    The Oregon and California Railroad was a 19th-century rail line in the Pacific Northwest that played a key role in connecting Oregon communities and facilitating regional development.
  • C. Winchester and Western Railroad
    Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
  • D. Tonopah and Tidewater Railroad
    The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
  • E. Nevada Northern Railway
    The Nevada Northern Railway is a historic railway in eastern Nevada, preserved as a heritage line featuring original steam and diesel locomotives, vintage rolling stock, and museum facilities that showcase early 20th-century railroading.
  • 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_69e11e36d03c8190a83a1ba802b7231b elicitation completed
NER batch_69f128e8f1f48190a5f1d9e96a6de688 ner completed
Created at: April 16, 2026, 8:29 p.m.