Umatilla Indian Reservation
E380964
The Umatilla Indian Reservation is a Native American reservation in northeastern Oregon that is home to the Confederated Tribes of the Umatilla Indian Reservation, including the Umatilla, Cayuse, and Walla Walla peoples.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Umatilla Indian Reservation canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T3629288 — 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 Indian Reservation Context triple: [The Dalles Dam, nearIndigenousLands, Umatilla Indian Reservation]
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A.
Grand Ronde Reservation
Grand Ronde Reservation is a Native American reservation in northwestern Oregon that serves as the homeland for the Confederated Tribes of Grand Ronde, comprising multiple tribes and bands from western Oregon, including the Kalapuya.
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B.
Siletz Reservation
The Siletz Reservation is a Native American reservation in Oregon that became home to multiple displaced tribes, including the Kalapuya people, following 19th-century U.S. relocation policies.
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C.
Wind River Indian Reservation
The Wind River Indian Reservation is a large Native American reservation in central Wyoming that is home to the Eastern Shoshone and Northern Arapaho tribes.
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D.
Makah Reservation
The Makah Reservation is the homeland of the Makah Tribe, located on the northwestern tip of Washington’s Olympic Peninsula along the Pacific coast.
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E.
Havasupai Indian Reservation
The Havasupai Indian Reservation is a remote tribal homeland in northern Arizona, renowned for its turquoise waterfalls in the Grand Canyon and as the primary residence of the Havasupai people.
- 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 Indian Reservation Target entity description: The Umatilla Indian Reservation is a Native American reservation in northeastern Oregon that is home to the Confederated Tribes of the Umatilla Indian Reservation, including the Umatilla, Cayuse, and Walla Walla peoples.
-
A.
Grand Ronde Reservation
Grand Ronde Reservation is a Native American reservation in northwestern Oregon that serves as the homeland for the Confederated Tribes of Grand Ronde, comprising multiple tribes and bands from western Oregon, including the Kalapuya.
-
B.
Siletz Reservation
The Siletz Reservation is a Native American reservation in Oregon that became home to multiple displaced tribes, including the Kalapuya people, following 19th-century U.S. relocation policies.
-
C.
Wind River Indian Reservation
The Wind River Indian Reservation is a large Native American reservation in central Wyoming that is home to the Eastern Shoshone and Northern Arapaho tribes.
-
D.
Makah Reservation
The Makah Reservation is the homeland of the Makah Tribe, located on the northwestern tip of Washington’s Olympic Peninsula along the Pacific coast.
-
E.
Havasupai Indian Reservation
The Havasupai Indian Reservation is a remote tribal homeland in northern Arizona, renowned for its turquoise waterfalls in the Grand Canyon and as the primary residence of the Havasupai people.
- F. None of above. chosen
Statements (46)
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: Umatilla Indian Reservation Description of subject: The Umatilla Indian Reservation is a Native American reservation in northeastern Oregon that is home to the Confederated Tribes of the Umatilla Indian Reservation, including the Umatilla, Cayuse, and Walla Walla peoples.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.