Triple

T5383116
Position Surface form Disambiguated ID Type / Status
Subject Marshall, Texas E113136 entity
Predicate servedBy P82 FINISHED
Object Texas and Pacific Railway (historical) 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 (historical) | Statement: [Marshall, Texas, servedBy, Texas and Pacific Railway (historical)]

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 (historical)
Context triple: [Marshall, Texas, servedBy, Texas and Pacific Railway (historical)]
  • 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. 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.
  • C. 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.
  • D. Texas and New Orleans Railroad
    The Texas and New Orleans Railroad was a major regional rail carrier in Texas and Louisiana that became a key component of the Southern Pacific system in the American Southwest.
  • 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.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd4436a1988190af18dcff7fd306b4 elicitation completed
NER batch_69bd86f20f008190be7b5848af05f2b8 ner completed
NED1 batch_69bf294cb9288190ab1400dae18332de ned_source_triple completed
Created at: March 20, 2026, 2:03 p.m.