Cascade Dam
E758730
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cascade Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8172664 — 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: Cascade Dam Context triple: [Thornapple River (Michigan), hasDam, Cascade Dam]
-
A.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
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.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
-
D.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
E.
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.
- 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: Cascade Dam Target entity description: Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
-
A.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
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.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
-
D.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
-
E.
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.
- F. None of above. chosen
Statements (17)
| Predicate | Object |
|---|---|
| instanceOf |
flood control structure
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFunction |
flood control
ⓘ
hydroelectric power generation ⓘ |
| locatedIn |
Michigan
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedOn | Thornapple River ⓘ |
| partOf |
Thornapple River watershed
ⓘ
linked to:
Thornapple River
|
| river | Thornapple River ⓘ |
| state |
Michigan
ⓘ
linked to:
Michigan (most of state)
|
| structureType | dam ⓘ |
| usedFor |
electricity generation
ⓘ
flood mitigation ⓘ |
| watercourse | Thornapple River ⓘ |
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: Cascade Dam Description of subject: Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.