North Dam
E318914
North Dam is a key irrigation and water management structure within Washington State’s Columbia Basin Project, helping form part of the extensive reservoir and canal system that supports regional agriculture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| North Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2884157 — 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: North Dam Context triple: [Columbia Basin Project, hasComponent, North Dam]
-
A.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
-
B.
Nimbus Dam
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
-
C.
Eder Dam
Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
-
D.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
E.
The Dam
The Dam is the official name of the Oregon State Beavers football student section, known for its loud, energetic support at home games in Corvallis.
- 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: North Dam Target entity description: North Dam is a key irrigation and water management structure within Washington State’s Columbia Basin Project, helping form part of the extensive reservoir and canal system that supports regional agriculture.
-
A.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
-
B.
Nimbus Dam
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
-
C.
Eder Dam
Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
-
D.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
E.
The Dam
The Dam is the official name of the Oregon State Beavers football student section, known for its loud, energetic support at home games in Corvallis.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
irrigation infrastructure ⓘ water management structure ⓘ |
| associatedWith | United States Department of the Interior ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Dams in Washington State
ⓘ
United States Bureau of Reclamation dams ⓘ |
| constructionMaterial |
earthfill
ⓘ
rockfill ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| formsPartOf |
Columbia Basin Project
ⓘ
surface form:
Columbia Basin Project reservoir and canal system
|
| hasImpactOn | agricultural productivity in central Washington ⓘ |
| helpsForm | reservoirs of the Columbia Basin Project ⓘ |
| isPartOfSystemWith |
Banks Lake
NERFINISHED
ⓘ
Grand Coulee Dam ⓘ |
| locatedIn |
Grant County, Washington
NERFINISHED
ⓘ
Washington ⓘ
surface form:
Washington State
|
| locatedOn | Columbia Basin Project main reservoir system ⓘ |
| managesWaterFor | Columbia Basin Project irrigation canals ⓘ |
| operator |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| owner |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation
|
| partOf |
Columbia Basin Project
ⓘ
Columbia Basin Project ⓘ
surface form:
United States federal reclamation projects
|
| primaryFunction |
flow regulation
ⓘ
irrigation water storage ⓘ water management ⓘ |
| purpose |
irrigation
ⓘ
water distribution control ⓘ water storage ⓘ |
| regionServed |
Columbia River Basin
ⓘ
surface form:
Columbia Basin
central Washington agricultural region ⓘ |
| supports | regional agriculture ⓘ |
| usedFor |
agricultural irrigation
ⓘ
flood control ⓘ water supply ⓘ |
| watercourse | Columbia River Basin ⓘ |
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: North Dam Description of subject: North Dam is a key irrigation and water management structure within Washington State’s Columbia Basin Project, helping form part of the extensive reservoir and canal system that supports regional agriculture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.