Triple
T11908985
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central London Railway |
E283344
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | deep-level underground railway |
C5444
|
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: deep-level underground railway Context triple: [Central London Railway, instanceOf, deep-level underground railway]
-
A.
underground rail corridor
An underground rail corridor is a subsurface passageway engineered to safely guide trains between stations, housing tracks, utilities, and supporting infrastructure while minimizing surface disruption.
-
B.
underground structure
An underground structure is a man-made construction built below the earth’s surface to provide space, protection, or support for various human activities or infrastructure.
-
C.
rail tunnel
chosen
A rail tunnel is an underground or enclosed passage constructed to allow trains to travel through obstacles such as mountains, hills, or urban areas while maintaining a continuous railway route.
-
D.
New York City Subway tunnel
A New York City Subway tunnel is an underground passageway engineered to safely guide subway trains, utilities, and related infrastructure beneath the city’s surface between stations.
-
E.
transportation tunnel
A transportation tunnel is an underground or enclosed passageway designed to allow vehicles, trains, or pedestrians to travel safely through or beneath natural or man-made obstacles.
- 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_69d6ab2c07e88190ba13b0d21fd6cf33 |
completed | April 8, 2026, 7:23 p.m. |
Created at: April 8, 2026, 9:44 p.m.