Umatilla River basin region
E1202232
UNEXPLORED
The Umatilla River basin region is a watershed area in northeastern Oregon centered around the Umatilla River and its tributaries, supporting agriculture, wildlife habitat, and several rural communities.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Umatilla River basin region canonical | 1 |
| Umatilla River valley | 1 |
| Umatilla River watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16213818 — 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: Umatilla River basin region Context triple: [Ione, Oregon, isInRegion, Umatilla River basin region]
-
A.
Calapooia River basin
The Calapooia River basin is a watershed in western Oregon that historically formed the homeland of the Kalapuya people.
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B.
Umpqua Valley
Umpqua Valley is a fertile wine-producing region in southwestern Oregon known for its diverse microclimates and scenic river landscapes.
-
C.
Mokelumne River area
The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
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D.
Green River Basin
The Green River Basin is a large sedimentary basin in southwestern Wyoming known for its rich fossil beds, energy resources, and distinctive high-desert landscape.
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E.
Boise River Valley
Boise River Valley is a fertile, river-carved region in southwestern Idaho known for supporting the city of Boise and its surrounding agricultural and recreational landscapes.
- 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: Umatilla River basin region Target entity description: The Umatilla River basin region is a watershed area in northeastern Oregon centered around the Umatilla River and its tributaries, supporting agriculture, wildlife habitat, and several rural communities.
-
A.
Calapooia River basin
The Calapooia River basin is a watershed in western Oregon that historically formed the homeland of the Kalapuya people.
-
B.
Umpqua Valley
Umpqua Valley is a fertile wine-producing region in southwestern Oregon known for its diverse microclimates and scenic river landscapes.
-
C.
Mokelumne River area
The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
-
D.
Green River Basin
The Green River Basin is a large sedimentary basin in southwestern Wyoming known for its rich fossil beds, energy resources, and distinctive high-desert landscape.
-
E.
Boise River Valley
Boise River Valley is a fertile, river-carved region in southwestern Idaho known for supporting the city of Boise and its surrounding agricultural and recreational landscapes.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Umatilla River basin region
linked to: Umatilla River basin region