Triple

T5813228
Position Surface form Disambiguated ID Type / Status
Subject Western Pacific Railroad E128920 entity
Predicate operatedPassengerTrain P31751 FINISHED
Object California Zephyr E20719 NE FINISHED

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: California Zephyr | Statement: [Western Pacific Railroad, operatedPassengerTrain, California Zephyr]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: California Zephyr
Context triple: [Western Pacific Railroad, operatedPassengerTrain, California Zephyr]
  • A. California Zephyr chosen
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • B. Amtrak Empire Builder
    The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
  • C. Amtrak Coast Starlight
    The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
  • D. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • E. Denver Zephyr
    The Denver Zephyr was a famed mid-20th-century streamlined passenger train that provided fast, luxurious service between Chicago and Denver.
  • 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: operatedPassengerTrain
Context triple: [Western Pacific Railroad, operatedPassengerTrain, California Zephyr]
  • A. operatedPassengerServices chosen
    Indicates that an entity provided and managed transportation services specifically for carrying passengers.
  • B. trainOperation
    Indicates that an entity is engaged in operating, running, or managing the movement and service of a train.
  • C. trainTypeUsed
    Indicates that a specific type or category of train is employed or operated in a given context or service.
  • D. hasPassengerOperations
    Indicates that an entity conducts or supports transportation services specifically for carrying passengers.
  • E. trainsOn
    Indicates that one entity receives training, instruction, or practice using or based on another entity (such as a resource, dataset, tool, or subject).
  • F. None of above.

Provenance (4 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02b56044c8190847478a342d441c2 completed March 22, 2026, 5:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0b0e20c208190b861fa8066852efc completed March 23, 2026, 3:17 a.m.
PD Predicate disambiguation batch_69c021d5ecd081908a62dd66e26f8598 completed March 22, 2026, 5:07 p.m.
Created at: March 22, 2026, 3:52 p.m.