Triple
T8146194
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watertown Dam |
E190217
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | low-head dam |
C19268
|
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 dam Context triple: [Watertown Dam, instanceOf, low-head dam]
-
A.
hydroelectric dam
A hydroelectric dam is a large engineered structure that stores and controls river water to drive turbines and generate electricity while managing water flow and levels.
-
B.
reservoir dam
A reservoir dam is a large engineered barrier built across a watercourse to store and regulate water in an upstream reservoir for purposes such as water supply, flood control, irrigation, and power generation.
-
C.
embankment dam
An embankment dam is a large artificial barrier constructed from compacted earth or rock materials to hold back water and create a reservoir.
-
D.
diversion dam
chosen
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.
-
E.
Dam
A dam is a large engineered barrier built across a waterway to control water flow, create reservoirs, and support purposes such as water supply, flood control, irrigation, and power generation.
- 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_69ca82be7ba8819087de0147e9292c83 |
completed | March 30, 2026, 2:03 p.m. |
Created at: March 30, 2026, 5:36 p.m.