Triple

T8255201
Position Surface form Disambiguated ID Type / Status
Subject Golden Spike ceremony E193053 entity
Predicate railroadProject P39986 FINISHED
Object First Transcontinental Railroad E38256 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: First Transcontinental Railroad | Statement: [Golden Spike ceremony, railroadProject, First Transcontinental Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: First Transcontinental Railroad
Context triple: [Golden Spike ceremony, railroadProject, First Transcontinental Railroad]
  • A. First Transcontinental Railroad chosen
    The First Transcontinental Railroad was the 19th-century rail line that first connected the eastern and western United States by land, revolutionizing cross-country travel, commerce, and settlement.
  • B. Pacific Railroad
    Pacific Railroad was an early American railway company that became the predecessor of the Missouri Pacific Railroad (MoPac), helping to pioneer rail transportation in the central United States.
  • C. National Transcontinental Railway
    The National Transcontinental Railway was a historic Canadian transcontinental rail line built in the early 20th century to link eastern and western Canada and later absorbed into the Canadian National Railway system.
  • D. Central Pacific Railroad
    The Central Pacific Railroad was a major 19th-century American railroad company that built the western portion of the First Transcontinental Railroad, linking California to the eastern United States and transforming transportation and commerce.
  • E. Central Pacific
    Central Pacific is a subgroup of Oceanic Austronesian languages that includes Fijian and related languages spoken across parts of Fiji and nearby Pacific islands.
  • 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: railroadProject
Context triple: [Golden Spike ceremony, railroadProject, First Transcontinental Railroad]
  • A. railroad
    Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
  • B. railroadMet
    Indicates that two or more railroads encountered or connected with each other at a specific place or time.
  • C. notableRailwayProject chosen
    Indicates that the subject is recognized for involvement in a significant or prominent railway-related project.
  • D. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • E. railroadEngineeringFeature
    Indicates a feature, element, or characteristic specifically related to the design, construction, or operation of railroad engineering systems.
  • 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_69cd3553b48881909cc72e443aad9539 completed April 1, 2026, 3:10 p.m.
PD Predicate disambiguation batch_69cb36b6d5548190b665a6cce14c69f7 completed March 31, 2026, 2:51 a.m.
Created at: March 30, 2026, 5:48 p.m.