Middle Yuba River
E1027506
The Middle Yuba River is a major tributary reach of the Yuba River in Northern California, known for its rugged canyon scenery, recreational opportunities, and role in the region’s watershed.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Middle Yuba River canonical | 3 |
| Middle Yuba River (via tunnel) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13080920 — 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 Yuba River Context triple: [Yuba River, hasPart, Middle Yuba River]
-
A.
Yuba River
The Yuba River is a major tributary of the Feather River in Northern California, known for its clear waters, historic gold-mining sites, and popular recreation areas in the Sierra Nevada foothills.
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B.
Middle Fork Feather River
The Middle Fork Feather River is a major tributary of California’s Feather River system, flowing through the northern Sierra Nevada and contributing significant water and scenic canyon landscapes before reaching Lake Oroville.
-
C.
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.
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D.
Tule River
The Tule River is a river in California’s southern Sierra Nevada that flows westward through agricultural lands before contributing water to the Tulare Basin.
-
E.
Middle Fork Kings River
The Middle Fork Kings River is a remote, rugged tributary of California’s Kings River known for its deep granite canyons, challenging whitewater, and pristine Sierra Nevada wilderness.
- 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 Yuba River Target entity description: The Middle Yuba River is a major tributary reach of the Yuba River in Northern California, known for its rugged canyon scenery, recreational opportunities, and role in the region’s watershed.
-
A.
Yuba River
The Yuba River is a major tributary of the Feather River in Northern California, known for its clear waters, historic gold-mining sites, and popular recreation areas in the Sierra Nevada foothills.
-
B.
Middle Fork Feather River
The Middle Fork Feather River is a major tributary of California’s Feather River system, flowing through the northern Sierra Nevada and contributing significant water and scenic canyon landscapes before reaching Lake Oroville.
-
C.
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.
-
D.
Tule River
The Tule River is a river in California’s southern Sierra Nevada that flows westward through agricultural lands before contributing water to the Tulare Basin.
-
E.
Middle Fork Kings River
The Middle Fork Kings River is a remote, rugged tributary of California’s Kings River known for its deep granite canyons, challenging whitewater, and pristine Sierra Nevada wilderness.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin |
Sacramento River basin
ⓘ
linked to:
Sacramento River Basin
Yuba River basin ⓘ
linked to:
Yuba River watershed
|
| environmentalRole |
habitat for aquatic species
ⓘ
sediment transport in Yuba River system ⓘ |
| flowsThrough | Sierra Nevada ⓘ |
| hasFeature |
canyons
ⓘ
granite bedrock ⓘ pools ⓘ rapids ⓘ |
| hasWatershedFunction |
groundwater recharge support
ⓘ
runoff conveyance from Sierra Nevada ⓘ water supply contribution to downstream users ⓘ |
| knownFor |
recreational opportunities
ⓘ
role in regional watershed ⓘ rugged canyon scenery ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Nevada County, California ⓘ Northern California ⓘ Sierra County, California ⓘ |
| mouth | Yuba River ⓘ |
| partOf |
Yuba River
ⓘ
Yuba River watershed ⓘ |
| recreationType |
backcountry camping
ⓘ
nature viewing ⓘ whitewater boating ⓘ |
| region | Sierra Nevada foothills ⓘ |
| riverSystem |
Feather River
ⓘ
Sacramento River ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| tributaryOf | Yuba River ⓘ |
| usedFor |
fishing
ⓘ
gold panning ⓘ hiking access ⓘ recreation ⓘ swimming ⓘ |
| watercourse | Yuba River ⓘ |
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 Yuba River Description of subject: The Middle Yuba River is a major tributary reach of the Yuba River in Northern California, known for its rugged canyon scenery, recreational opportunities, and role in the region’s watershed.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Middle Yuba River