Triple

T11423397
Position Surface form Disambiguated ID Type / Status
Subject Texas and New Orleans Railroad E270683 entity
Predicate operatedRoute P18593 FINISHED
Object Houston–El Paso (via Southern Pacific connections) 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: Houston–El Paso (via Southern Pacific connections) | Statement: [Texas and New Orleans Railroad, operatedRoute, Houston–El Paso (via Southern Pacific connections)]

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: Houston–El Paso (via Southern Pacific connections)
Context triple: [Texas and New Orleans Railroad, operatedRoute, Houston–El Paso (via Southern Pacific connections)]
  • A. Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)
    The Southern Pacific Railroad (Texas and Louisiana) was an early regional rail line in Texas and Louisiana that later became part of the Texas and Pacific Railway system.
  • B. Union Pacific–Central Pacific rail connection
    The Union Pacific–Central Pacific rail connection was the historic junction point in Utah where the first U.S. transcontinental railroad was completed in 1869, linking eastern and western rail networks.
  • C. 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.
  • D. Union Pacific mainline routes
    Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
  • E. Santa Fe main line via Kansas
    The Santa Fe main line via Kansas is a principal railway corridor of the Atchison, Topeka and Santa Fe Railway that carried premier passenger trains such as the Super Chief across the central United States.
  • 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_69d6aadeef688190874bcecd88b3dd9b elicitation completed
NER batch_69d801b357e88190ace56d36a945688f ner completed
NED1 batch_69e5b8a1e88c8190994bea88a0490e60 ned_source_triple completed
Created at: April 8, 2026, 9:35 p.m.