South Platte River
E139995
The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
All labels observed (7)
| Label | Occurrences |
|---|---|
| South Platte River canonical | 28 |
| South Platte River basin | 5 |
| South Platte River Basin | 2 |
| South Platte River Valley | 2 |
| South Platte River region | 1 |
| South Platte River valley (eastern reaches) | 1 |
| South Platte River watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T450115 — 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: South Platte River Context triple: [Denver, Colorado, United States, locatedOnRiver, South Platte River]
-
A.
Platte River
The Platte River is a broad, shallow river in the central United States that flows through Nebraska and is historically significant as a route corridor for westward expansion and a vital habitat for migratory birds.
-
B.
Arkansas River
The Arkansas River is a major tributary of the Mississippi River that flows from the Rocky Mountains in Colorado through Kansas, Oklahoma, and Arkansas, playing a key role in the region’s ecology, history, and commerce.
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C.
Canadian River
The Canadian River is a major waterway of the south-central United States that flows through Colorado, New Mexico, Texas, and Oklahoma before joining the Arkansas River.
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D.
Colorado River
The Colorado River is a major waterway of the southwestern United States and northern Mexico, renowned for carving the Grand Canyon and serving as a crucial water source for arid regions and Indigenous communities.
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E.
Missouri River
The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
- 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: South Platte River Target entity description: The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
-
A.
Platte River
The Platte River is a broad, shallow river in the central United States that flows through Nebraska and is historically significant as a route corridor for westward expansion and a vital habitat for migratory birds.
-
B.
Arkansas River
The Arkansas River is a major tributary of the Mississippi River that flows from the Rocky Mountains in Colorado through Kansas, Oklahoma, and Arkansas, playing a key role in the region’s ecology, history, and commerce.
-
C.
Canadian River
The Canadian River is a major waterway of the south-central United States that flows through Colorado, New Mexico, Texas, and Oklahoma before joining the Arkansas River.
-
D.
Colorado River
The Colorado River is a major waterway of the southwestern United States and northern Mexico, renowned for carving the Grand Canyon and serving as a crucial water source for arid regions and Indigenous communities.
-
E.
Missouri River
The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
- F. None of above. chosen
Statements (52)
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: South Platte River Description of subject: The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
Referenced by (40)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern Colorado
this entity surface form:
South Platte River valley (eastern reaches)
subject surface form:
Eastern Colorado
this entity surface form:
South Platte River basin
subject surface form:
Brighton, Colorado
this entity surface form:
South Platte River Basin
this entity surface form:
South Platte River basin
this entity surface form:
South Platte River Basin
subject surface form:
Sterling, Colorado
this entity surface form:
South Platte River region
this entity surface form:
South Platte River basin
this entity surface form:
South Platte River Valley
this entity surface form:
South Platte River Valley
this entity surface form:
South Platte River watershed
subject surface form:
Logan County, Colorado
subject surface form:
Morgan County, Colorado
this entity surface form:
South Platte River basin
this entity surface form:
South Platte River basin