Cheyenne River
E463207
The Cheyenne River is a major tributary of the upper Great Plains that flows through Wyoming and South Dakota before joining the Missouri River.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Cheyenne River canonical | 5 |
| Cheyenne River region | 1 |
| Cheyenne River system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4528852 — 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: Cheyenne River Context triple: [Missouri River Basin, containsRiver, Cheyenne River]
-
A.
Hon River
The Hon River is a river in Hiroshima, Japan, that flows through the city’s center and past landmarks such as the Hiroshima Peace Memorial Park.
-
B.
River Cree
River Cree is a river in southwestern Scotland that flows through Galloway to the Solway Firth, historically important for local industry, transport, and salmon fishing.
-
C.
Big Sioux River
The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.
-
D.
Niobrara River
The Niobrara River is a scenic waterway in northern Nebraska known for its unique mix of Great Plains, Sandhills, and forest ecosystems and popular for canoeing, tubing, and wildlife viewing.
-
E.
Sisseton
Sisseton are one of the traditional bands of the Dakota people, historically associated with the eastern plains and woodlands of what is now the Upper Midwest of the United States.
- 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: Cheyenne River Target entity description: The Cheyenne River is a major tributary of the upper Great Plains that flows through Wyoming and South Dakota before joining the Missouri River.
-
A.
Hon River
The Hon River is a river in Hiroshima, Japan, that flows through the city’s center and past landmarks such as the Hiroshima Peace Memorial Park.
-
B.
River Cree
River Cree is a river in southwestern Scotland that flows through Galloway to the Solway Firth, historically important for local industry, transport, and salmon fishing.
-
C.
Big Sioux River
The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.
-
D.
Niobrara River
The Niobrara River is a scenic waterway in northern Nebraska known for its unique mix of Great Plains, Sandhills, and forest ecosystems and popular for canoeing, tubing, and wildlife viewing.
-
E.
Sisseton
Sisseton are one of the traditional bands of the Dakota people, historically associated with the eastern plains and woodlands of what is now the Upper Midwest of the United States.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | United States of America ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| crosses | Cheyenne River Indian Reservation NERFINISHED ⓘ |
| drainageBasin | Missouri River basin NERFINISHED ⓘ |
| flowsInto | Lake Oahe NERFINISHED ⓘ |
| flowsThrough |
South Dakota
NERFINISHED
ⓘ
Wyoming NERFINISHED ⓘ |
| hasPart |
North Fork Cheyenne River
NERFINISHED
ⓘ
South Fork Cheyenne River NERFINISHED ⓘ |
| hasUse |
irrigation
ⓘ
recreation ⓘ wildlife habitat ⓘ |
| locatedIn |
Great Plains
ⓘ
North America ⓘ |
| mouthElevation | approximately 1600 feet ⓘ |
| mouthLocatedIn | South Dakota NERFINISHED ⓘ |
| mouthLocation | Missouri River NERFINISHED ⓘ |
| namedAfter | Cheyenne people NERFINISHED ⓘ |
| partOf | Missouri River watershed NERFINISHED ⓘ |
| region | upper Great Plains ⓘ |
| state |
South Dakota
NERFINISHED
ⓘ
Wyoming NERFINISHED ⓘ |
| tributaryOf | Missouri River NERFINISHED ⓘ |
| watercourseType | tributary ⓘ |
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: Cheyenne River Description of subject: The Cheyenne River is a major tributary of the upper Great Plains that flows through Wyoming and South Dakota before joining the Missouri River.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cheyenne River system
this entity surface form:
Cheyenne River region