Triple
T8858229
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ueno Depot |
E210816
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | train maintenance facility |
C23629
|
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: train maintenance facility Context triple: [Ueno Depot, instanceOf, train maintenance facility]
-
A.
rolling stock storage facility
chosen
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.
-
B.
maintenance facility
A maintenance facility is a dedicated location equipped with tools, resources, and personnel for inspecting, repairing, and servicing equipment, vehicles, or infrastructure to ensure their proper functioning and longevity.
-
C.
rolling stock maintenance company
A rolling stock maintenance company is an organization that inspects, services, repairs, and overhauls railway vehicles such as locomotives, passenger coaches, and freight wagons to ensure their safety, reliability, and regulatory compliance.
-
D.
light rail operations facility
A light rail operations facility is a specialized complex where light rail vehicles are stored, maintained, dispatched, and managed to support safe and efficient transit service.
-
E.
railroad depot
A railroad depot is a facility where trains load and unload passengers or freight, typically including platforms, waiting areas, and operational offices.
- 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_69ca838bbddc8190ab546d737e5d350f |
completed | March 30, 2026, 2:07 p.m. |
Created at: March 30, 2026, 6:50 p.m.