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.