Oxbow Dam
E215459
Oxbow Dam is a hydroelectric dam on the Snake River in eastern Oregon, forming Oxbow Reservoir as part of the Hells Canyon Complex.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oxbow Dam canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T1769891 — 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: Oxbow Dam Context triple: [Snake River, hasDam, Oxbow Dam]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
E.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- 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: Oxbow Dam Target entity description: Oxbow Dam is a hydroelectric dam on the Snake River in eastern Oregon, forming Oxbow Reservoir as part of the Hells Canyon Complex.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
E.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| commissioningDate | 1961 ⓘ |
| constructionBegan | 1958 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| downstreamFrom | Hells Canyon Dam ⓘ |
| energySource | hydropower ⓘ |
| formsReservoir | Oxbow Reservoir ⓘ |
| hasReservoir | Oxbow Reservoir ⓘ |
| hasSpillway | yes ⓘ |
| isPartOf | Idaho Power hydroelectric projects ⓘ |
| locatedIn |
Oregon
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedInRegion | eastern Oregon ⓘ |
| locatedNear | Hells Canyon ⓘ |
| locatedOnBorderOf |
Idaho
ⓘ
Oregon ⓘ |
| locatedOnRiver | Snake River ⓘ |
| openingDate | 1961 ⓘ |
| operator | Idaho Power Company ⓘ |
| owner | Idaho Power Company ⓘ |
| partOf |
Hells Canyon Complex
ⓘ
linked to:
Hells Canyon
Snake River hydroelectric system ⓘ
linked to:
Snake River hydropower system
|
| purpose |
hydroelectric power
ⓘ
power generation ⓘ |
| region | Pacific Northwest ⓘ |
| riverSystem | Snake River ⓘ |
| upstreamFrom | Brownlee Dam ⓘ |
| watercourse | Snake 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: Oxbow Dam Description of subject: Oxbow Dam is a hydroelectric dam on the Snake River in eastern Oregon, forming Oxbow Reservoir as part of the Hells Canyon Complex.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.