Triple

T4561435
Position Surface form Disambiguated ID Type / Status
Subject Director General of Railroads E121799 entity
Predicate appliesToJurisdiction P82 FINISHED
Object United States railroad system E50792 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: United States railroad system | Statement: [Director General of Railroads, appliesToJurisdiction, United States railroad system]

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: United States railroad system
Context triple: [Director General of Railroads, appliesToJurisdiction, United States railroad system]
  • A. North American rail network
    The North American rail network is an extensive, interconnected system of freight and passenger rail lines spanning the United States, Canada, and Mexico, operated by multiple major and regional railroads.
  • B. United States transportation system chosen
    The United States transportation system is the nationwide network of highways, railroads, air routes, waterways, and public transit infrastructure that supports the movement of people and goods across the country.
  • C. U.S. intercity passenger rail network
    The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
  • D. North America’s Railroad
    North America’s Railroad is the motto of Canadian National Railway, emphasizing its extensive rail network spanning Canada and parts of the United States.
  • E. New York State rail system
    The New York State rail system is the statewide passenger and freight rail network that connects major cities and regions across New York, integrating services like the Empire Corridor with national and regional rail operators.
  • 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_69bd463f156881908a99aca69c5721ac elicitation completed
NER batch_69bd582d98fc8190a760dbb5f20c775d ner completed
NED1 batch_69bdc59b2514819091f3845307cb1c8b ned_source_triple completed
Created at: March 20, 2026, 1:09 p.m.