Triple
T23378412
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Hall Concourse |
E593669
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | underground pedestrian passageway |
C4955
|
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: underground pedestrian passageway Context triple: [City Hall Concourse, instanceOf, underground pedestrian passageway]
-
A.
underground structure
chosen
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.
-
B.
roadway underpass
A roadway underpass is a structure that allows a road to pass beneath another road, railway, or obstacle, providing grade separation and uninterrupted traffic flow.
-
C.
ropeway
A ropeway is an aerial transport system in which carriers such as cabins or chairs are suspended from and moved by one or more overhead cables between fixed terminals.
-
D.
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.
-
E.
rail tunnel
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.
- 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_69e25d268a50819095f2fd479da8ef3f |
completed | April 17, 2026, 4:17 p.m. |
Created at: April 17, 2026, 5:33 p.m.