Middle Fork Cosumnes River
E752579
The Middle Fork Cosumnes River is a major tributary stream in the Sierra Nevada of California, contributing to the flow and watershed of the Cosumnes River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Middle Fork Cosumnes River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7797707 — 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: Middle Fork Cosumnes River Context triple: [Cosumnes River, hasTributary, Middle Fork Cosumnes River]
-
A.
North Fork Cosumnes River
The North Fork Cosumnes River is a major tributary stream in Northern California that drains the western slopes of the Sierra Nevada before joining the main Cosumnes River.
-
B.
Middle Fork San Joaquin River
The Middle Fork San Joaquin River is a major Sierra Nevada waterway in California that flows through the Ansel Adams Wilderness and Devils Postpile National Monument, featuring notable cascades such as Rainbow Falls.
-
C.
Middle Fork Stanislaus River
The Middle Fork Stanislaus River is a major Sierra Nevada mountain stream in California known for its reservoirs, hydroelectric projects, and popular trout fishing and whitewater recreation.
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D.
North Fork American River
The North Fork American River is a major tributary of California’s American River, known for its rugged canyon scenery, whitewater recreation, and relatively undisturbed natural habitat in the Sierra Nevada foothills.
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E.
Middle Fork Mokelumne River
The Middle Fork Mokelumne River is a tributary of the Mokelumne River in the Sierra Nevada of California, known for its rugged canyon scenery and recreational opportunities such as fishing and whitewater boating.
- 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: Middle Fork Cosumnes River Target entity description: The Middle Fork Cosumnes River is a major tributary stream in the Sierra Nevada of California, contributing to the flow and watershed of the Cosumnes River system.
-
A.
North Fork Cosumnes River
The North Fork Cosumnes River is a major tributary stream in Northern California that drains the western slopes of the Sierra Nevada before joining the main Cosumnes River.
-
B.
Middle Fork San Joaquin River
The Middle Fork San Joaquin River is a major Sierra Nevada waterway in California that flows through the Ansel Adams Wilderness and Devils Postpile National Monument, featuring notable cascades such as Rainbow Falls.
-
C.
Middle Fork Stanislaus River
The Middle Fork Stanislaus River is a major Sierra Nevada mountain stream in California known for its reservoirs, hydroelectric projects, and popular trout fishing and whitewater recreation.
-
D.
North Fork American River
The North Fork American River is a major tributary of California’s American River, known for its rugged canyon scenery, whitewater recreation, and relatively undisturbed natural habitat in the Sierra Nevada foothills.
-
E.
Middle Fork Mokelumne River
The Middle Fork Mokelumne River is a tributary of the Mokelumne River in the Sierra Nevada of California, known for its rugged canyon scenery and recreational opportunities such as fishing and whitewater boating.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin | Cosumnes River basin NERFINISHED ⓘ |
| ecoregion | Sierra Nevada forests NERFINISHED ⓘ |
| flowsGenerally | west ⓘ |
| flowsThrough |
Amador County, California
NERFINISHED
ⓘ
El Dorado County, California NERFINISHED ⓘ |
| hasFeature |
forested canyons
ⓘ
granite gorges ⓘ |
| hasMouth | Cosumnes River NERFINISHED ⓘ |
| hasName | Middle Fork Cosumnes River NERFINISHED ⓘ |
| isPartOf | Sacramento–San Joaquin River watershed NERFINISHED ⓘ |
| locatedIn |
Amador County, California
NERFINISHED
ⓘ
El Dorado County, California NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| mountainRange | Sierra Nevada NERFINISHED ⓘ |
| mouthLocation | near River Pines, California ⓘ |
| partOf | Cosumnes River watershed NERFINISHED ⓘ |
| region | Northern California ⓘ |
| riverSystem | Cosumnes River system NERFINISHED ⓘ |
| sourceLocation | Sierra Nevada, California NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| tributaryOf | Cosumnes River NERFINISHED ⓘ |
| usedFor |
fishing
ⓘ
recreation ⓘ whitewater boating ⓘ |
| watercourseOf | Sierra Nevada NERFINISHED ⓘ |
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: Middle Fork Cosumnes River Description of subject: The Middle Fork Cosumnes River is a major tributary stream in the Sierra Nevada of California, contributing to the flow and watershed of the Cosumnes River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.