Triple

T8255210
Position Surface form Disambiguated ID Type / Status
Subject Golden Spike ceremony E193053 entity
Predicate relatedInfrastructure P43089 FINISHED
Object Promontory Summit rail junction
Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
E721091 NE FINISHED

How this triple was built (4 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: Promontory Summit rail junction | Statement: [Golden Spike ceremony, relatedInfrastructure, Promontory Summit rail junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Promontory Summit rail junction
Context triple: [Golden Spike ceremony, relatedInfrastructure, Promontory Summit rail junction]
  • A. Great Overland Station
    Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. Kelso Depot
    Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
  • D. Santiam Junction
    Santiam Junction is a small highway junction in Oregon’s Cascade Range where major routes connect travelers between the Willamette Valley and central and eastern Oregon.
  • E. Point of Rocks station
    Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Promontory Summit rail junction
Triple: [Golden Spike ceremony, relatedInfrastructure, Promontory Summit rail junction]
Generated description
Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Promontory Summit rail junction
Target entity description: Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
  • A. Great Overland Station
    Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. Kelso Depot
    Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
  • D. Santiam Junction
    Santiam Junction is a small highway junction in Oregon’s Cascade Range where major routes connect travelers between the Willamette Valley and central and eastern Oregon.
  • E. Point of Rocks station
    Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
  • F. None of above. chosen

Provenance (5 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.
NEDg Description generation batch_69cd37a71af481909e82aa29ae558c4a completed April 1, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69cd4f0055dc8190803a7c412533aec4 completed April 1, 2026, 4:59 p.m.
Created at: March 30, 2026, 5:48 p.m.