Green River Dam
E1018556
Green River Dam is a man-made structure built to impound the Green River, creating a reservoir used for purposes such as water supply, flood control, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Green River Lake Dam | 2 |
| Green River Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11696801 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green River Dam Context triple: [Green River, hasDam, Green River Dam]
-
A.
Dworshak Dam
Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
-
B.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
C.
Glines Canyon Dam
Glines Canyon Dam was a concrete arch dam on Washington State’s Elwha River, notable for its role in hydroelectric power generation and its later removal as part of one of the largest river restoration projects in U.S. history.
-
D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
E.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Green River Dam Target entity description: Green River Dam is a man-made structure built to impound the Green River, creating a reservoir used for purposes such as water supply, flood control, and recreation.
-
A.
Dworshak Dam
Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
-
B.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
C.
Glines Canyon Dam
Glines Canyon Dam was a concrete arch dam on Washington State’s Elwha River, notable for its role in hydroelectric power generation and its later removal as part of one of the largest river restoration projects in U.S. history.
-
D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
E.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
man-made structure ⓘ |
| affects |
downstream flow regime
ⓘ
flood risk downstream ⓘ |
| builtFor | public water resource management ⓘ |
| creates | reservoir ⓘ |
| enables |
reliable municipal water supply
ⓘ
reservoir-based recreation ⓘ |
| hasComponent |
embankment
ⓘ
outlet works ⓘ reservoir ⓘ spillway ⓘ |
| hasFunction |
flow control
ⓘ
river regulation ⓘ |
| hasUse |
flood control
ⓘ
recreation ⓘ water supply ⓘ |
| impounds | Green River ⓘ |
| locatedOn | Green River ⓘ |
| partOf | river basin infrastructure ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ flood mitigation ⓘ outdoor recreation ⓘ water storage ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Green River Dam Description of subject: Green River Dam is a man-made structure built to impound the Green River, creating a reservoir used for purposes such as water supply, flood control, and recreation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Green River Dam
linked to: Green River Dam