Triple
T38133978
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Underground depots |
E952297
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | railway maintenance facility collection |
C35874
|
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: railway maintenance facility collection Context triple: [London Underground depots, instanceOf, railway maintenance facility collection]
-
A.
railroad facility
chosen
A railroad facility is a dedicated site or complex that supports the operation, maintenance, management, or interchange of trains and rail infrastructure.
-
B.
public railway
A public railway is a government- or publicly-owned rail transport system that provides scheduled passenger and/or freight services accessible to the general population, typically operating on standardized tracks and infrastructure.
-
C.
heritage railway engineering facility
A heritage railway engineering facility is a specialized workshop and depot where historic railway locomotives, rolling stock, and infrastructure are maintained, restored, and engineered to preserve and operate vintage rail systems.
-
D.
private railway
A private railway is a rail transport system owned and operated by a non-governmental entity, typically for exclusive use in serving specific industrial, commercial, or regional transportation needs.
-
E.
rolling stock storage facility
A rolling stock storage facility is a dedicated area or building where railway vehicles such as locomotives and carriages are parked, secured, and sometimes lightly serviced when not in operation.
- F. None of above.
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_69f76f083548819082bd2bbf53c79e8e |
completed | May 3, 2026, 3:51 p.m. |
Created at: May 3, 2026, 4:21 p.m.