Triple

T6851972
Position Surface form Disambiguated ID Type / Status
Subject Kansas City Southern Railway E158040 entity
Predicate operatedSubsidiary P9212 FINISHED
Object 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.
E623707 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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 Mexican Railway | Statement: [Kansas City Southern Railway, operatedSubsidiary, Texas Mexican Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Texas Mexican Railway
Context triple: [Kansas City Southern Railway, operatedSubsidiary, Texas Mexican Railway]
  • A. Texas and Pacific Railway
    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. 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.
  • C. Ferrocarril Chihuahua al Pacífico
    Ferrocarril Chihuahua al Pacífico is a scenic Mexican railway line, commonly known as "El Chepe," that traverses the Sierra Madre Occidental and the Copper Canyon region.
  • 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. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Texas Mexican Railway
Triple: [Kansas City Southern Railway, operatedSubsidiary, Texas Mexican Railway]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Texas Mexican Railway
Target entity description: 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.
  • A. Texas and Pacific Railway
    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. 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.
  • C. Ferrocarril Chihuahua al Pacífico
    Ferrocarril Chihuahua al Pacífico is a scenic Mexican railway line, commonly known as "El Chepe," that traverses the Sierra Madre Occidental and the Copper Canyon region.
  • 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. 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.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c6882fae988190864cbba788c5ebb4 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d84e6fb08190915954be5b0df2d8 completed March 27, 2026, 7:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c72fd2800c8190997c0bc7ff3e1491 completed March 28, 2026, 1:33 a.m.
NEDg Description generation batch_69c73208e9408190b246837c0e436575 completed March 28, 2026, 1:42 a.m.
NED2 Entity disambiguation (via description) batch_69c7326b04ac8190a700061e6546cb50 completed March 28, 2026, 1:44 a.m.
Created at: March 27, 2026, 2:20 p.m.