Triple
T2309805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mersey Tunnels |
E51926
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | tunnel system |
C8199
|
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: tunnel system Context triple: [Mersey Tunnels, instanceOf, tunnel system]
-
A.
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.
-
B.
road tunnel
A road tunnel is an underground or enclosed passageway constructed to allow vehicular traffic to pass through obstacles such as mountains, hills, or urban areas while maintaining a continuous roadway.
-
C.
water supply tunnel
A water supply tunnel is an underground passage constructed to convey water from its source to treatment facilities, storage reservoirs, or distribution networks, often over long distances and through challenging terrain.
-
D.
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.
-
E.
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.
- 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_69a88b0bb30c81908ded03b006d29387 |
completed | March 4, 2026, 7:42 p.m. |
Created at: March 4, 2026, 7:49 p.m.