Keya Paha River
E1040077
The Keya Paha River is a tributary waterway in the Great Plains region of the United States, flowing through parts of Nebraska and South Dakota before joining the Niobrara River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keya Paha River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10255855 — 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: Keya Paha River Context triple: [Niobrara River, hasTributary, Keya Paha River]
-
A.
Powwow River
The Powwow River is a smaller New England waterway that flows through southeastern New Hampshire and northeastern Massachusetts before joining the Merrimack River.
-
B.
Cochecho River
The Cochecho River is a river in southeastern New Hampshire that flows through the city of Dover before joining the Piscataqua River system.
-
C.
Payette River
The Payette River is a major river in western Idaho known for its rugged canyons, whitewater recreation, and contribution to the Snake River watershed.
-
D.
Raisin River
The Raisin River is a river in southeastern Michigan that flows through the Lower Peninsula into Lake Erie, historically notable for its role in the War of 1812.
-
E.
Raisin River
The Raisin River is a waterway in eastern Ontario, Canada, known for flowing through rural communities such as South Glengarry before emptying into the St. Lawrence River.
- 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: Keya Paha River Target entity description: The Keya Paha River is a tributary waterway in the Great Plains region of the United States, flowing through parts of Nebraska and South Dakota before joining the Niobrara River.
-
A.
Powwow River
The Powwow River is a smaller New England waterway that flows through southeastern New Hampshire and northeastern Massachusetts before joining the Merrimack River.
-
B.
Cochecho River
The Cochecho River is a river in southeastern New Hampshire that flows through the city of Dover before joining the Piscataqua River system.
-
C.
Payette River
The Payette River is a major river in western Idaho known for its rugged canyons, whitewater recreation, and contribution to the Snake River watershed.
-
D.
Raisin River
The Raisin River is a waterway in eastern Ontario, Canada, known for flowing through rural communities such as South Glengarry before emptying into the St. Lawrence River.
-
E.
Raisin River
The Raisin River is a river in southeastern Michigan that flows through the Lower Peninsula into Lake Erie, historically notable for its role in the War of 1812.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crossesPoliticalBoundary | Nebraska–South Dakota border NERFINISHED ⓘ |
| drainageRegion |
north-central Nebraska
ⓘ
south-central South Dakota ⓘ |
| flowsGenerally | east-southeast ⓘ |
| flowsInto | Niobrara River NERFINISHED ⓘ |
| flowsThrough |
Boyd County, Nebraska
NERFINISHED
ⓘ
Keya Paha County, Nebraska NERFINISHED ⓘ Tripp County, South Dakota NERFINISHED ⓘ |
| formsBorderBetween |
Nebraska
NERFINISHED
ⓘ
South Dakota NERFINISHED ⓘ |
| hasApproximateLength |
127 miles
ⓘ
204 kilometers ⓘ |
| hasEcosystemType | prairie river ⓘ |
| hasHydrologicalSystem | Missouri River system NERFINISHED ⓘ |
| hasNameEtymology | derived from Lakota language ⓘ |
| hasNameMeaning | “turtle hill” in Lakota ⓘ |
| hasNearbySettlement |
Colome, South Dakota
NERFINISHED
ⓘ
Naper, Nebraska NERFINISHED ⓘ Springview, Nebraska NERFINISHED ⓘ |
| hasRecreationalActivity |
canoeing
ⓘ
fishing ⓘ kayaking ⓘ |
| hasTributary |
North Fork Keya Paha River
NERFINISHED
ⓘ
South Fork Keya Paha River NERFINISHED ⓘ |
| locatedIn |
Great Plains
ⓘ
Nebraska ⓘ South Dakota ⓘ north-central Great Plains ⓘ |
| mouthLocation | near Niobrara River confluence in north-central Nebraska ⓘ |
| mouthOf | Niobrara River NERFINISHED ⓘ |
| partOf |
Missouri River watershed
NERFINISHED
ⓘ
Niobrara River basin NERFINISHED ⓘ |
| region | Midwestern United States ⓘ |
| sourceLocation |
eastern Todd County, South Dakota
ⓘ
south-central South Dakota ⓘ |
| tributaryOf | Niobrara River NERFINISHED ⓘ |
| usedFor |
irrigation
ⓘ
recreation ⓘ |
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: Keya Paha River Description of subject: The Keya Paha River is a tributary waterway in the Great Plains region of the United States, flowing through parts of Nebraska and South Dakota before joining the Niobrara River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.