Roosevelt County, Montana
E574011
Roosevelt County, Montana is a sparsely populated county in northeastern Montana that includes part of the Fort Peck Indian Reservation and borders the Missouri River and Fort Peck Lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roosevelt County, Montana canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T6028651 — 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: Roosevelt County, Montana Context triple: [Fort Peck Lake, locatedIn, Roosevelt County, Montana]
-
A.
Phillips County, Montana
Phillips County, Montana is a sparsely populated county in north-central Montana known for its expansive prairie landscapes, ranching, and access to outdoor recreation around Fort Peck Lake and the Missouri River Breaks.
-
B.
Garfield County, Montana
Garfield County, Montana is a sparsely populated county in eastern Montana known for its wide-open prairie landscapes, ranching, and access to outdoor recreation around Fort Peck Lake.
-
C.
Ravalli County, Montana
Ravalli County, Montana is a rural county in western Montana located in the Bitterroot Valley, known for its mountainous landscapes, outdoor recreation, and the county seat of Hamilton.
-
D.
Valley County, Montana
Valley County, Montana is a sparsely populated county in northeastern Montana known for its expansive prairie landscapes, outdoor recreation, and proximity to Fort Peck Lake and the Missouri River.
-
E.
McCone County, Montana
McCone County, Montana is a sparsely populated county in northeastern Montana known for its agricultural landscape and access to outdoor recreation around Fort Peck Lake.
- 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: Roosevelt County, Montana Target entity description: Roosevelt County, Montana is a sparsely populated county in northeastern Montana that includes part of the Fort Peck Indian Reservation and borders the Missouri River and Fort Peck Lake.
-
A.
Phillips County, Montana
Phillips County, Montana is a sparsely populated county in north-central Montana known for its expansive prairie landscapes, ranching, and access to outdoor recreation around Fort Peck Lake and the Missouri River Breaks.
-
B.
Garfield County, Montana
Garfield County, Montana is a sparsely populated county in eastern Montana known for its wide-open prairie landscapes, ranching, and access to outdoor recreation around Fort Peck Lake.
-
C.
Ravalli County, Montana
Ravalli County, Montana is a rural county in western Montana located in the Bitterroot Valley, known for its mountainous landscapes, outdoor recreation, and the county seat of Hamilton.
-
D.
Valley County, Montana
Valley County, Montana is a sparsely populated county in northeastern Montana known for its expansive prairie landscapes, outdoor recreation, and proximity to Fort Peck Lake and the Missouri River.
-
E.
McCone County, Montana
McCone County, Montana is a sparsely populated county in northeastern Montana known for its agricultural landscape and access to outdoor recreation around Fort Peck Lake.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | county in Montana ⓘ |
| borders |
Daniels County, Montana
ⓘ
Fort Peck Lake ⓘ McCone County, Montana ⓘ Missouri River ⓘ Richland County, Montana ⓘ Sheridan County, Montana ⓘ Valley County, Montana ⓘ Williams County, North Dakota ⓘ |
| containsPartOf | Fort Peck Indian Reservation ⓘ |
| country | United States of America ⓘ |
| countySeat | Wolf Point, Montana ⓘ |
| FIPSCode | 30-085 ⓘ |
| GNISID | 07779139 ⓘ |
| hasBorderFeature |
Fort Peck Dam (via Fort Peck Lake)
ⓘ
linked to:
Fort Peck Dam
|
| hasMunicipality |
Bainville, Montana
ⓘ
Culbertson, Montana ⓘ Froid, Montana ⓘ Poplar, Montana ⓘ Wolf Point, Montana ⓘ |
| isSparselyPopulated | true ⓘ |
| largestCity | Wolf Point, Montana ⓘ |
| locatedIn |
Great Plains
ⓘ
Missouri River watershed ⓘ
linked to:
Missouri River Basin
northeastern Montana ⓘ |
| namedAfter | Theodore Roosevelt ⓘ |
| partOf | Fort Peck Indian Reservation ⓘ |
| state | Montana ⓘ |
| timeZone | Mountain Time Zone ⓘ |
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: Roosevelt County, Montana Description of subject: Roosevelt County, Montana is a sparsely populated county in northeastern Montana that includes part of the Fort Peck Indian Reservation and borders the Missouri River and Fort Peck Lake.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.