Triple
T24489709
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Greywell Tunnel |
E617608
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | disused transport infrastructure |
C25042
|
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: disused transport infrastructure Context triple: [Greywell Tunnel, instanceOf, disused transport infrastructure]
-
A.
defunct railroad
A defunct railroad is a former railway company or line that has ceased operations, often leaving behind abandoned tracks, rights-of-way, or repurposed infrastructure.
-
B.
former railway facility
chosen
A former railway facility is a decommissioned or repurposed site that once served operational functions for rail transport, such as stations, depots, yards, or maintenance buildings.
-
C.
disused London Underground railway branch
A disused London Underground railway branch is a former section of the Tube network, once used for passenger or freight services, that has been permanently closed and left out of regular operation.
-
D.
rail transportation infrastructure
Rail transportation infrastructure encompasses the physical and organizational systems—such as tracks, stations, signaling, power supply, and related facilities—required to support the safe and efficient movement of trains and rail-based services.
-
E.
defunct building
A defunct building is a former structure that has lost its original function or use, often abandoned, repurposed, or left in disrepair.
- 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_69e2d7f4e6bc8190aec540ae3b9ed7f2 |
completed | April 18, 2026, 1:01 a.m. |
Created at: April 18, 2026, 2:22 a.m.