Lower Falls Dam
E671917
Lower Falls Dam is a hydroelectric dam located on the Spokane River in Spokane, Washington, used primarily for power generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lower Falls Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7183027 — 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: Lower Falls Dam Context triple: [Spokane River, hasDam, Lower Falls Dam]
-
A.
Upper Falls Dam
Upper Falls Dam is a hydroelectric dam on the Spokane River in Spokane, Washington, that helps generate power from the Spokane Falls.
-
B.
American Falls Dam
American Falls Dam is a major irrigation and hydroelectric dam in southeastern Idaho that creates the American Falls Reservoir on the Snake River.
-
C.
Dry Falls Dam
Dry Falls Dam is a key irrigation and water management structure in central Washington State, built as part of the Columbia Basin Project to help distribute Columbia River water to surrounding agricultural lands.
-
D.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
E.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
- 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: Lower Falls Dam Target entity description: Lower Falls Dam is a hydroelectric dam located on the Spokane River in Spokane, Washington, used primarily for power generation.
-
A.
Upper Falls Dam
Upper Falls Dam is a hydroelectric dam on the Spokane River in Spokane, Washington, that helps generate power from the Spokane Falls.
-
B.
American Falls Dam
American Falls Dam is a major irrigation and hydroelectric dam in southeastern Idaho that creates the American Falls Reservoir on the Snake River.
-
C.
Dry Falls Dam
Dry Falls Dam is a key irrigation and water management structure in central Washington State, built as part of the Columbia Basin Project to help distribute Columbia River water to surrounding agricultural lands.
-
D.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
E.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| city | Spokane NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Spokane River NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| hasFunction |
hydroelectric power production
ⓘ
river flow regulation ⓘ |
| hasName | Lower Falls Dam NERFINISHED ⓘ |
| isPartOf | Spokane River dams NERFINISHED ⓘ |
| locatedIn |
Spokane County, Washington
NERFINISHED
ⓘ
Spokane, Washington NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
Washington ⓘ
surface form:
Washington (state)
|
| locatedInProtectedArea | Spokane Falls area NERFINISHED ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNearFeature |
Monroe Street Bridge (Spokane)
NERFINISHED
ⓘ
Riverfront Park (Spokane) NERFINISHED ⓘ |
| locatedOn | Spokane River NERFINISHED ⓘ |
| near |
Downtown Spokane
NERFINISHED
ⓘ
Spokane Falls NERFINISHED ⓘ |
| partOf | Spokane River hydropower system NERFINISHED ⓘ |
| primaryUse | electric power generation ⓘ |
| region | Inland Northwest NERFINISHED ⓘ |
| state | Washington ⓘ |
| typeOfPowerStation | run-of-the-river hydroelectric plant ⓘ |
| watercourse | Spokane River NERFINISHED ⓘ |
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: Lower Falls Dam Description of subject: Lower Falls Dam is a hydroelectric dam located on the Spokane River in Spokane, Washington, used primarily for power generation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.