Triple

T22161745
Position Surface form Disambiguated ID Type / Status
Subject Western Pacific Railroad E547686 entity
Predicate parentCompanyAfter1982 P5441 FINISHED
Object Union Pacific Corporation 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: Union Pacific Corporation | Statement: [Western Pacific Railroad, parentCompanyAfter1982, Union Pacific Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific Corporation
Context triple: [Western Pacific Railroad, parentCompanyAfter1982, Union Pacific Corporation]
  • A. Union Pacific Railroad chosen
    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.
  • B. Santa Fe Pacific Corporation
    Santa Fe Pacific Corporation was a diversified American holding company best known for owning and operating the Atchison, Topeka and Santa Fe Railway and related natural resource businesses in the late 20th century.
  • C. BNSF Railway
    BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
  • D. 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.
  • E. Consolidated Rail Corporation
    Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • 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: parentCompanyAfter1982
Context triple: [Western Pacific Railroad, parentCompanyAfter1982, Union Pacific Corporation]
  • A. formerParentCompany
    Indicates that one entity previously served as the parent company of another but no longer holds that status.
  • B. laterParentCompany chosen
    Indicates that one entity became the parent company of another entity at a later point in time, after some prior state or relationship.
  • C. parentCompanyAfterRebranding
    Indicates that one company serves as the parent company of another specifically after the latter has undergone a rebranding.
  • D. parentCompanyAfterMerger
    Indicates that one company is the resulting parent company of another following a merger.
  • E. parentCompanyFounded
    Indicates that the subject parent company was founded or established on the specified date or by the specified founding event.
  • 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_69e11e3c4c5c81908d336165816b12e0 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12a2e47a88190a3b5c05398605f68 completed April 28, 2026, 9:44 p.m.
PD Predicate disambiguation batch_69e71b41555881909b8e22718974d527 completed April 21, 2026, 6:37 a.m.
Created at: April 16, 2026, 8:34 p.m.