Triple

T16194257
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific City of Portland E393020 entity
Predicate primaryRailroad P18201 FINISHED
Object Union Pacific Railroad E2147 NE FINISHED

Disambiguation candidates (2 decisions)

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: Union Pacific Railroad
Context triple: [Union Pacific City of Portland, primaryRailroad, Union Pacific Railroad]
  • A. Union Pacific Railroad chosen
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • B. Southern Pacific Railroad
    Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
  • C. BNSF Railway
    BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
  • D. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • E. Missouri Pacific Railroad
    Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: primaryRailroad
Context triple: [Union Pacific City of Portland, primaryRailroad, Union Pacific Railroad]
  • A. relatedRailroad
    Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
  • B. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • C. railroad chosen
    Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
  • D. primaryRailUse
    Indicates the main or predominant purpose for which a rail line, segment, or facility is used (e.g., passenger, freight, or mixed traffic).
  • E. originalRailway
    Indicates that a railway is the first or initial line from which others in a network, route, or system originate or are derived.
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69d87f1e49ac8190a311b54d32990576 elicitation completed
NER batch_69e222d851188190b2452d165e4fc4bd ner completed
NED1 batch_6a0017a90be08190bd9fb64abd424e1e ned_source_triple completed
PD batch_69e219e11f6081909106b1240a17fd37 pd completed
Created at: April 10, 2026, 5:02 a.m.