Triple
T25413129
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester Weir |
E636757
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | low-head weir |
C32885
|
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: low-head weir Context triple: [Chester Weir, instanceOf, low-head weir]
-
A.
river weir
chosen
A river weir is a low dam built across a river to raise the water level, regulate flow, and sometimes measure discharge or divert water.
-
B.
diversion dam
A diversion dam is a low barrier built across a river or stream to redirect water into canals, pipelines, or other conveyance systems for irrigation, municipal use, or hydropower, rather than for large-scale storage.
-
C.
headwater stream
A headwater stream is a small, often narrow and shallow watercourse at the uppermost reaches of a watershed where surface runoff, springs, or snowmelt first converge to form the initial flow of a river system.
-
D.
flood control facility
A flood control facility is an engineered structure or system designed to manage, divert, store, or reduce excess water flow to prevent or mitigate flooding in surrounding areas.
-
E.
waterway section
A waterway section is a defined segment of a natural or artificial watercourse, such as a river, canal, or channel, characterized by specific geographic, hydraulic, or administrative properties.
- 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_69e75db4135881909acc287ebcb7a505 |
completed | April 21, 2026, 11:21 a.m. |
Created at: April 21, 2026, 1:55 p.m.