Lake Umatilla
E1206183
UNEXPLORED
Lake Umatilla is a large reservoir on the Columbia River in the Pacific Northwest, created by the John Day Dam for hydroelectric power, irrigation, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Umatilla canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T16299867 — 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: Lake Umatilla Context triple: [Lake Wallula, locatedUpstreamOf, Lake Umatilla]
-
A.
Wallowa Lake
Wallowa Lake is a glacial lake in northeastern Oregon renowned for its clear waters, dramatic mountain backdrop, and popularity for outdoor recreation and tourism.
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B.
Chilko Lake
Chilko Lake is a large, remote glacial lake in British Columbia, Canada, renowned for its striking turquoise waters, surrounding mountain scenery, and abundant wildlife.
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C.
Waskesiu Lake
Waskesiu Lake is a popular recreational lake in central Saskatchewan, Canada, known for its beaches, boating, fishing, and its role as the main visitor hub within Prince Albert National Park.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
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E.
Tule Lake
Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
- 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: Lake Umatilla Target entity description: Lake Umatilla is a large reservoir on the Columbia River in the Pacific Northwest, created by the John Day Dam for hydroelectric power, irrigation, and recreation.
-
A.
Wallowa Lake
Wallowa Lake is a glacial lake in northeastern Oregon renowned for its clear waters, dramatic mountain backdrop, and popularity for outdoor recreation and tourism.
-
B.
Chilko Lake
Chilko Lake is a large, remote glacial lake in British Columbia, Canada, renowned for its striking turquoise waters, surrounding mountain scenery, and abundant wildlife.
-
C.
Waskesiu Lake
Waskesiu Lake is a popular recreational lake in central Saskatchewan, Canada, known for its beaches, boating, fishing, and its role as the main visitor hub within Prince Albert National Park.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
-
E.
Tule Lake
Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.