Triple
T17069300
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific Heritage Fleet |
E414171
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | heritage railroad fleet |
C38765
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: heritage railroad fleet Context triple: [Union Pacific Heritage Fleet, instanceOf, heritage railroad fleet]
-
A.
heritage railway
A heritage railway is a preserved or restored railway line operated primarily for historical, educational, and touristic purposes, often using vintage locomotives, rolling stock, and traditional operating practices.
-
B.
passenger railcar fleet
A passenger railcar fleet is a managed collection of rail vehicles designed and maintained to transport people safely and efficiently across a rail network.
-
C.
Amtrak rolling stock
Amtrak rolling stock comprises the locomotives, passenger cars, and specialized rail vehicles owned or operated by Amtrak for intercity and regional passenger rail service in the United States.
-
D.
railway museum
A railway museum is a public institution that collects, preserves, and exhibits historic trains, railway equipment, and related artifacts to educate visitors about the history and technology of rail transport.
-
E.
heritage railway station
A heritage railway station is a preserved or restored train station that maintains historical architecture, equipment, and operations to reflect and celebrate railway history, often serving tourism and educational purposes.
- F. None of above. chosen
Provenance (1 batch)
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_69d886cef44c8190ba56c44b4e863e64 |
completed | April 10, 2026, 5:12 a.m. |
Created at: April 10, 2026, 5:34 a.m.