Triple
T18907090
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gilbert Stanley Underwood |
E462489
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Union Pacific railroad stations and depots |
—
|
NE NERFINISHED |
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 stations and depots | Statement: [Gilbert Stanley Underwood, notableWork, Union Pacific railroad stations and depots]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific railroad stations and depots Context triple: [Gilbert Stanley Underwood, notableWork, Union Pacific railroad stations and depots]
-
A.
BNSF Railway facilities
BNSF Railway facilities in Pittsburg, California are rail infrastructure and operational sites used by the BNSF Railway Company for freight transportation and logistics in the region.
-
B.
Railroad stations for the Atchison, Topeka and Santa Fe Railway
Railroad stations for the Atchison, Topeka and Santa Fe Railway are architecturally significant train depots designed for the historic American railroad network that connected the Midwest with the Southwest and Pacific Coast.
-
C.
Union Pacific mainline routes
Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
-
D.
Union Pacific Depot
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
-
E.
Union Pacific Yard
Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Pacific railroad stations and depots Target entity description: Union Pacific railroad stations and depots are a series of architecturally distinctive train facilities in the American West, many designed in grand historicist styles that symbolized the prominence and reach of the Union Pacific Railroad.
-
A.
BNSF Railway facilities
BNSF Railway facilities in Pittsburg, California are rail infrastructure and operational sites used by the BNSF Railway Company for freight transportation and logistics in the region.
-
B.
Railroad stations for the Atchison, Topeka and Santa Fe Railway
Railroad stations for the Atchison, Topeka and Santa Fe Railway are architecturally significant train depots designed for the historic American railroad network that connected the Midwest with the Southwest and Pacific Coast.
-
C.
Union Pacific mainline routes
Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
-
D.
Union Pacific Depot
chosen
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
-
E.
Union Pacific Yard
Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
- F. None of above.
Provenance (2 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_69d8dcfd05bc819088903cca13cc2846 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c52dcb948190a5b6a783512bf7d6 |
completed | April 20, 2026, 6:18 a.m. |
Created at: April 10, 2026, 11:58 a.m.