Triple

T232283
Position Surface form Disambiguated ID Type / Status
Subject California State Railroad Museum E4433 entity
Predicate notableItem P7734 FINISHED
Object Central Pacific Railroad No. 1 Governor Stanford
Central Pacific Railroad No. 1 Governor Stanford is a historic 19th-century steam locomotive that served as the first engine of the Central Pacific Railroad and played a key role in building the U.S. transcontinental railroad.
E4433 NE FINISHED

How this triple was built (5 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: Central Pacific Railroad No. 1 Governor Stanford | Statement: [California State Railroad Museum, notableItem, Central Pacific Railroad No. 1 Governor Stanford]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central Pacific Railroad No. 1 Governor Stanford
Context triple: [California State Railroad Museum, notableItem, Central Pacific Railroad No. 1 Governor Stanford]
  • A. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • B. Central Pacific Railroad historic route
    The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • C. 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.
  • D. California State Railroad Museum
    The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
  • 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. 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: Central Pacific Railroad No. 1 Governor Stanford
Triple: [California State Railroad Museum, notableItem, Central Pacific Railroad No. 1 Governor Stanford]
Generated description
Central Pacific Railroad No. 1 Governor Stanford is a historic 19th-century steam locomotive that served as the first engine of the Central Pacific Railroad and played a key role in building the U.S. transcontinental railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Central Pacific Railroad No. 1 Governor Stanford
Target entity description: Central Pacific Railroad No. 1 Governor Stanford is a historic 19th-century steam locomotive that served as the first engine of the Central Pacific Railroad and played a key role in building the U.S. transcontinental railroad.
  • A. The Standard Railroad of the World
    The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
  • B. Central Pacific Railroad historic route
    The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • C. 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.
  • D. California State Railroad Museum chosen
    The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
  • 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.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: notableItem
Context triple: [California State Railroad Museum, notableItem, Central Pacific Railroad No. 1 Governor Stanford]
  • A. notableElement chosen
    Indicates that an entity has a component, feature, or part that is especially significant, prominent, or noteworthy in relation to it.
  • B. notableFor
    Indicates that an entity is especially recognized or distinguished for a particular quality, achievement, characteristic, or role.
  • C. notableSingle
    Indicates that the subject is particularly recognized or distinguished for one specific, individual instance (such as a single work, event, or achievement).
  • D. notableAsset
    Indicates that an entity possesses or is associated with an asset that is particularly significant, prominent, or noteworthy in relation to it.
  • E. notablePrimary
    Indicates that one entity is the main or most prominent example, instance, or representative of another entity.
  • F. None of above.

Provenance (6 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25f14f72081908182e76300b59358 completed Feb. 28, 2026, 3:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69a362bd591c8190940e6b1cd81017ae completed Feb. 28, 2026, 9:48 p.m.
NEDg Description generation batch_69a3632a55ac8190b099ae109b0c578c completed Feb. 28, 2026, 9:50 p.m.
NED2 Entity disambiguation (via description) batch_69a3639235808190aee80e49482486c2 completed Feb. 28, 2026, 9:52 p.m.
PD Predicate disambiguation batch_69a25b5c8c888190b5544e687736b373 completed Feb. 28, 2026, 3:05 a.m.
Created at: Feb. 28, 2026, 2:53 a.m.