Triple
T19972427
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mexican railroads |
E480110
|
entity |
| Predicate | notablePassengerService |
P25562
|
FINISHED |
| Object | El Chepe (Chihuahua al Pacífico) |
—
|
NE NERFINISHED |
How this triple was built (3 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: El Chepe (Chihuahua al Pacífico) | Statement: [Mexican railroads, notablePassengerService, El Chepe (Chihuahua al Pacífico)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: El Chepe (Chihuahua al Pacífico) Context triple: [Mexican railroads, notablePassengerService, El Chepe (Chihuahua al Pacífico)]
-
A.
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.
-
B.
Tehuantepec Railway
The Tehuantepec Railway is a rail line in southern Mexico that provides a key trans-isthmian transportation route linking the Gulf of Mexico with the Pacific Ocean.
-
C.
Bajío rail network
The Bajío rail network is a regional railway system in central Mexico that connects key industrial and agricultural hubs across the Bajío region to national and international freight corridors.
-
D.
Ferrocarril Chihuahua al Pacífico
chosen
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.
-
E.
Ferromex railway line
The Ferromex railway line is a major Mexican rail network operated by Ferrocarril Mexicano that transports freight and passengers across key regions of the country, including the state of Chihuahua.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: notablePassengerService Context triple: [Mexican railroads, notablePassengerService, El Chepe (Chihuahua al Pacífico)]
-
A.
hasPassengerServicesTo
chosen
Indicates that a transportation provider operates passenger services connecting one location or entity to another.
-
B.
majorPassengerService
Indicates that a transportation facility or route provides primary or significant passenger service as one of its main functions.
-
C.
hasPassengerAirlineService
Indicates that a location or facility is served by scheduled passenger airline flights.
-
D.
operatedPassengerServices
Indicates that an entity provided and managed transportation services specifically for carrying passengers.
-
E.
formerPassengerService
Indicates that an entity previously provided passenger transportation services but no longer does so.
- F. None of above.
Provenance (3 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_69d8e523c19881909f9197037200dde6 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65bca94c0819095c902a411c4c4b8 |
completed | April 20, 2026, 5 p.m. |
| PD | Predicate disambiguation | batch_69e537fae79c81909eae39500766d0b6 |
completed | April 19, 2026, 8:15 p.m. |
Created at: April 10, 2026, 1:54 p.m.