Big Cliff Dam
E641384
Big Cliff Dam is a concrete flood-control and re-regulating dam on the North Santiam River in Oregon, forming Big Cliff Reservoir just downstream of Detroit Dam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Big Cliff Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6710357 — 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: Big Cliff Dam Context triple: [Santiam River, hasDam, Big Cliff Dam]
-
A.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
B.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
C.
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.
-
D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
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: Big Cliff Dam Target entity description: Big Cliff Dam is a concrete flood-control and re-regulating dam on the North Santiam River in Oregon, forming Big Cliff Reservoir just downstream of Detroit Dam.
-
A.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
B.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
C.
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.
-
D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
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 (30)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
flood control dam ⓘ re-regulating dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionStartYear | 1949 ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| formsReservoir | Big Cliff Reservoir NERFINISHED ⓘ |
| hasFunction | hydroelectric power generation ⓘ |
| hasPowerPlant | yes ⓘ |
| hasSpillway | yes ⓘ |
| isPartOf | North Santiam River hydropower system NERFINISHED ⓘ |
| locatedDownstreamOf | Detroit Dam NERFINISHED ⓘ |
| locatedIn | Oregon ⓘ |
| locatedInCounty | Marion County, Oregon NERFINISHED ⓘ |
| locatedNear | Detroit, Oregon NERFINISHED ⓘ |
| locatedOnRiver | North Santiam River NERFINISHED ⓘ |
| managingAgency | United States Army Corps of Engineers NERFINISHED ⓘ |
| material | concrete ⓘ |
| nearestUpstreamDam | Detroit Dam NERFINISHED ⓘ |
| openingYear | 1953 ⓘ |
| owner | United States government NERFINISHED ⓘ |
| partOfProject | Willamette Valley Project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
flow regulation ⓘ |
| region | Pacific Northwest ⓘ |
| reservoirName | Big Cliff Reservoir NERFINISHED ⓘ |
| reservoirUse | re-regulating releases from Detroit Dam ⓘ |
| riverSystem | Willamette River basin NERFINISHED ⓘ |
| state | Oregon ⓘ |
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: Big Cliff Dam Description of subject: Big Cliff Dam is a concrete flood-control and re-regulating dam on the North Santiam River in Oregon, forming Big Cliff Reservoir just downstream of Detroit Dam.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.