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.