Triple

T542085
Position Surface form Disambiguated ID Type / Status
Subject Cardinal (train) E12651 entity
Predicate ownerOfBrand P5664 FINISHED
Object National Railroad Passenger Corporation (Amtrak) E1072 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: National Railroad Passenger Corporation (Amtrak) | Statement: [Cardinal (train), ownerOfBrand, National Railroad Passenger Corporation (Amtrak)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Railroad Passenger Corporation (Amtrak)
Context triple: [Cardinal (train), ownerOfBrand, National Railroad Passenger Corporation (Amtrak)]
  • A. Amtrak chosen
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • B. Conrail
    Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • C. Association of American Railroads
    The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
  • D. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • E. Norfolk Southern Railway
    Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • 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: ownerOfBrand
Context triple: [Cardinal (train), ownerOfBrand, National Railroad Passenger Corporation (Amtrak)]
  • A. parentBrand
    Indicates that one brand is the overarching or owning brand from which another brand is derived or subordinated.
  • B. trademarkOwner chosen
    Indicates that one entity legally owns and holds the rights to a particular trademark associated with another entity or product.
  • C. ownedBy
    Indicates that one entity possesses legal or rightful ownership of another entity.
  • D. formerBrand
    Indicates that an entity was previously used or recognized as a brand for another entity but is no longer its current brand.
  • E. relatedBrand
    Indicates a relationship where one brand is associated with, connected to, or otherwise related to another brand.
  • 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_69a49334226c81908b0ea1689ef6aa3f completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49861195081909540eaf402a5401a completed March 1, 2026, 7:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4efca0f888190add0fe7ab325bfdf completed March 2, 2026, 2:02 a.m.
PD Predicate disambiguation batch_69a494b8098481908097228db8ad0262 completed March 1, 2026, 7:34 p.m.
Created at: March 1, 2026, 7:32 p.m.