Triple

T10820230
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Railroad (Texas and Louisiana) E255346 entity
Predicate laterIntegratedInto P77 FINISHED
Object Texas and Pacific Railway system E44241 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: Texas and Pacific Railway system | Statement: [Southern Pacific Railroad (Texas and Louisiana), laterIntegratedInto, Texas and Pacific Railway 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: Texas and Pacific Railway system
Context triple: [Southern Pacific Railroad (Texas and Louisiana), laterIntegratedInto, Texas and Pacific Railway system]
  • A. Texas and Pacific Railway chosen
    The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
  • B. Texas Mexican Railway
    Texas Mexican Railway is a regional railroad in Texas that historically provided freight and cross-border rail services between the United States and Mexico and later became part of the Kansas City Southern rail network.
  • C. Atchison, Topeka and Santa Fe Railway
    The Atchison, Topeka and Santa Fe Railway was a major American railroad that became one of the largest and most influential rail systems in the United States, central to the development of the Southwest.
  • D. Houston and Texas Central Railroad
    The Houston and Texas Central Railroad was a major 19th-century Texas rail line that played a key role in opening up the state’s interior to settlement, commerce, and economic development.
  • E. St. Louis–San Francisco Railway
    The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
  • 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_69d6aa8081448190a9324184f2bd1c26 elicitation completed
NER batch_69d73449eee88190afa52c4e6ef96baa ner completed
NED1 batch_69de8569178481909474e939a3e4c217 ned_source_triple completed
Created at: April 8, 2026, 9:18 p.m.