Triple

T9203338
Position Surface form Disambiguated ID Type / Status
Subject Paul Montague E220905 entity
Predicate associatedWith P37 FINISHED
Object South Central Pacific and Mexican Railway
The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
E783399 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: South Central Pacific and Mexican Railway | Statement: [Paul Montague, associatedWith, South Central Pacific and Mexican Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Central Pacific and Mexican Railway
Context triple: [Paul Montague, associatedWith, South Central Pacific and Mexican Railway]
  • A. Buenos Aires and Pacific Railway
    The Buenos Aires and Pacific Railway was a major British-owned railway company in Argentina that operated key long-distance and suburban lines connecting Buenos Aires with western regions of the country during the late 19th and early 20th centuries.
  • B. Mexican railroads
    Mexican railroads comprise the national railway network of Mexico, historically vital for freight and passenger transport and now focused primarily on cargo services across the country and into the United States.
  • 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. 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. Western Pacific Railroad
    Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
  • 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: South Central Pacific and Mexican Railway
Triple: [Paul Montague, associatedWith, South Central Pacific and Mexican Railway]
Generated description
The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Central Pacific and Mexican Railway
Target entity description: The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
  • A. Buenos Aires and Pacific Railway
    The Buenos Aires and Pacific Railway was a major British-owned railway company in Argentina that operated key long-distance and suburban lines connecting Buenos Aires with western regions of the country during the late 19th and early 20th centuries.
  • B. Mexican railroads
    Mexican railroads comprise the national railway network of Mexico, historically vital for freight and passenger transport and now focused primarily on cargo services across the country and into the United States.
  • 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. 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. Western Pacific Railroad
    Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
  • 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_69ca83e8e9248190862cf3e41693b310 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccd944e6208190adfcc7f75197387d completed April 1, 2026, 8:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69d05c4953588190aa842de269eee56c completed April 4, 2026, 12:33 a.m.
NEDg Description generation batch_69d05d138c288190a0eab9be6bd649c0 completed April 4, 2026, 12:36 a.m.
NED2 Entity disambiguation (via description) batch_69d05df1a0888190a2bdc48a159b865e completed April 4, 2026, 12:40 a.m.
Created at: March 30, 2026, 7:26 p.m.