Triple

T2395115
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Railroad E47630 entity
Predicate ownedSubsidiary P254 FINISHED
Object Southern Pacific of Mexico (SP de México)
Southern Pacific of Mexico (SP de México) was a Mexican railway company that operated lines in northwestern Mexico as part of the broader Southern Pacific rail network.
E47630 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: Southern Pacific of Mexico (SP de México) | Statement: [Southern Pacific Railroad, ownedSubsidiary, Southern Pacific of Mexico (SP de México)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Pacific of Mexico (SP de México)
Context triple: [Southern Pacific Railroad, ownedSubsidiary, Southern Pacific of Mexico (SP de México)]
  • A. Kansas City Southern de México
    Kansas City Southern de México is a major Mexican railway company that operates freight rail services connecting key industrial regions in Mexico with the United States.
  • 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. 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.
  • D. Chepe railway
    The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
  • 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: Southern Pacific of Mexico (SP de México)
Triple: [Southern Pacific Railroad, ownedSubsidiary, Southern Pacific of Mexico (SP de México)]
Generated description
Southern Pacific of Mexico (SP de México) was a Mexican railway company that operated lines in northwestern Mexico as part of the broader Southern Pacific rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Pacific of Mexico (SP de México)
Target entity description: Southern Pacific of Mexico (SP de México) was a Mexican railway company that operated lines in northwestern Mexico as part of the broader Southern Pacific rail network.
  • A. Kansas City Southern de México
    Kansas City Southern de México is a major Mexican railway company that operates freight rail services connecting key industrial regions in Mexico with the United States.
  • B. Southern Pacific Railroad chosen
    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. 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.
  • D. Chepe railway
    The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
  • 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.

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_69a88a1c450c81909f61abb8b6863885 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abc879b1b88190be8d0337d9a17bd0 completed March 7, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69aeb3dc44dc819099b8914b878c5638 completed March 9, 2026, 11:49 a.m.
NEDg Description generation batch_69aeb4de29988190ae860fc6f241f225 completed March 9, 2026, 11:54 a.m.
NED2 Entity disambiguation (via description) batch_69aeb562560c8190a03c6d8ce6d75956 completed March 9, 2026, 11:56 a.m.
Created at: March 4, 2026, 7:57 p.m.