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.