Triple
T32551226
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Johnstown Flood of 1889 |
E831977
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | dam failure disaster |
C27396
|
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: dam failure disaster Context triple: [Great Johnstown Flood of 1889, instanceOf, dam failure disaster]
-
A.
dam failure
chosen
Dam failure is the sudden or progressive loss of a dam’s ability to retain water, leading to uncontrolled downstream flooding and potential catastrophic damage to life, property, and the environment.
-
B.
dam safety emergency
A dam safety emergency is a critical situation involving actual or potential failure or misoperation of a dam that poses an immediate threat to downstream life, property, or the environment and requires urgent protective actions.
-
C.
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.
-
D.
disaster
A disaster is a sudden, disruptive event—natural or human-made—that causes significant harm to people, property, or the environment and overwhelms normal coping capacities.
-
E.
lava dam
A lava dam is a natural barrier formed when flowing lava cools and solidifies across a river or valley, blocking or redirecting the flow of water.
- 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_69f34925fd08819084cfe4ec566cb704 |
completed | April 30, 2026, 12:20 p.m. |
Created at: May 1, 2026, 1:02 a.m.