Triple
T21392215
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Robert C. Reamer |
E527682
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Union Pacific Railroad depots and related structures |
—
|
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 depots and related structures | Statement: [Robert C. Reamer, notableWork, Union Pacific Railroad depots and related structures]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad depots and related structures Context triple: [Robert C. Reamer, notableWork, Union Pacific Railroad depots and related structures]
-
A.
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.
-
B.
Southern Pacific Railroad Depot
Southern Pacific Railroad Depot was a historic train station in San Antonio, Texas, that served as a major hub for Southern Pacific passenger and freight rail service before being superseded by the current San Antonio station.
-
C.
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.
-
D.
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.
-
E.
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.
- 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 depots and related structures Target entity description: Union Pacific Railroad depots and related structures are historic train stations and associated railway buildings designed for the Union Pacific Railroad, many of which are noted for their distinctive early 20th-century American architectural styles.
-
A.
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.
-
B.
Southern Pacific Railroad Depot
Southern Pacific Railroad Depot was a historic train station in San Antonio, Texas, that served as a major hub for Southern Pacific passenger and freight rail service before being superseded by the current San Antonio station.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
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_69e0b51ff3748190935c0a513c62a12b |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69ee62cd30f08190aba90afed6116a2a |
completed | April 26, 2026, 7:09 p.m. |
Created at: April 16, 2026, 5:13 p.m.