Triple

T8255181
Position Surface form Disambiguated ID Type / Status
Subject Golden Spike ceremony E193053 entity
Predicate railroadJoined P31794 FINISHED
Object Union Pacific Railroad E2147 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: Union Pacific Railroad | Statement: [Golden Spike ceremony, railroadJoined, Union Pacific Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad
Context triple: [Golden Spike ceremony, railroadJoined, Union Pacific Railroad]
  • 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. 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.
  • 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. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • E. Missouri Pacific Railroad
    Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
  • 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: railroadJoined
Context triple: [Golden Spike ceremony, railroadJoined, Union Pacific Railroad]
  • A. railroad
    Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
  • B. railroadMet chosen
    Indicates that two or more railroads encountered or connected with each other at a specific place or time.
  • C. relatedRailroad
    Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
  • D. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • E. enteredConrailOn
    Indicates that an entity began employment with, or formally joined, Conrail on a specified date or at a specified time.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f9f680819088f1d56e0f98974f completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cde74c4e6c8190a426139f71689a3e completed April 2, 2026, 3:49 a.m.
PD Predicate disambiguation batch_69cb36b6d5548190b665a6cce14c69f7 completed March 31, 2026, 2:51 a.m.
Created at: March 30, 2026, 5:48 p.m.