South Fork Boise River
E861304
The South Fork Boise River is a major tributary of the Boise River in central Idaho, known for its scenic canyon, whitewater recreation, and trout fisheries within the Boise National Forest.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Fork Boise River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10257486 — 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 Fork Boise River Context triple: [Boise National Forest, hasWatercourse, South Fork Boise River]
-
A.
Boise River
The Boise River is a major waterway in southwestern Idaho that flows through the city of Boise and is central to the region’s recreation, irrigation, and ecology.
-
B.
Henry’s Fork
Henry’s Fork is a major tributary of the Snake River in eastern Idaho, renowned for its scenic canyons, waterfalls, and world-class trout fishing.
-
C.
Shoshone River
The Shoshone River is a major waterway in northwestern Wyoming that flows through canyons and valleys near Yellowstone National Park before joining the Bighorn River.
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D.
Ogden River
The Ogden River is a tributary of the Weber River in northern Utah, flowing through Ogden Canyon and the city of Ogden before joining the Weber River.
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E.
Middle Fork Smith River
The Middle Fork Smith River is a major tributary of the Smith River in northwestern California, known for its clear waters, rugged forested canyon, and high ecological and recreational value.
- 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 Fork Boise River Target entity description: The South Fork Boise River is a major tributary of the Boise River in central Idaho, known for its scenic canyon, whitewater recreation, and trout fisheries within the Boise National Forest.
-
A.
Boise River
The Boise River is a major waterway in southwestern Idaho that flows through the city of Boise and is central to the region’s recreation, irrigation, and ecology.
-
B.
Henry’s Fork
Henry’s Fork is a major tributary of the Snake River in eastern Idaho, renowned for its scenic canyons, waterfalls, and world-class trout fishing.
-
C.
Shoshone River
The Shoshone River is a major waterway in northwestern Wyoming that flows through canyons and valleys near Yellowstone National Park before joining the Bighorn River.
-
D.
Ogden River
The Ogden River is a tributary of the Weber River in northern Utah, flowing through Ogden Canyon and the city of Ogden before joining the Weber River.
-
E.
Middle Fork Smith River
The Middle Fork Smith River is a major tributary of the Smith River in northwestern California, known for its clear waters, rugged forested canyon, and high ecological and recreational value.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fishSpecies |
bull trout
ⓘ
mountain whitefish ⓘ rainbow trout ⓘ |
| flowsThrough |
Ada County, Idaho
NERFINISHED
ⓘ
Boise County, Idaho NERFINISHED ⓘ Elmore County, Idaho NERFINISHED ⓘ |
| formsReservoir |
Anderson Ranch Reservoir
NERFINISHED
ⓘ
Arrowrock Reservoir NERFINISHED ⓘ |
| hasBridge | Anderson Ranch Dam bridge NERFINISHED ⓘ |
| hasFeature |
deep canyon
ⓘ
tailwater fishery below Anderson Ranch Dam ⓘ |
| hasHazard |
cold water temperatures
ⓘ
whitewater rapids ⓘ |
| hasUse |
hydroelectric power generation
ⓘ
irrigation water supply ⓘ municipal water supply ⓘ trout fishing ⓘ whitewater recreation ⓘ |
| impoundedBy |
Anderson Ranch Dam
NERFINISHED
ⓘ
Arrowrock Dam NERFINISHED ⓘ |
| knownFor |
scenic canyon
ⓘ
trout fisheries ⓘ whitewater boating ⓘ |
| locatedIn |
Boise National Forest
NERFINISHED
ⓘ
Idaho ⓘ central Idaho ⓘ |
| managedBy | U.S. Forest Service ⓘ |
| mouthLocation |
Boise River
NERFINISHED
ⓘ
near Arrowrock Dam ⓘ |
| nearbyCity | Boise, Idaho NERFINISHED ⓘ |
| nearbyCommunity |
Featherville, Idaho
NERFINISHED
ⓘ
Pine, Idaho NERFINISHED ⓘ |
| partOfProtectedArea | Boise National Forest NERFINISHED ⓘ |
| recreationActivity |
fly fishing
ⓘ
kayaking ⓘ rafting ⓘ |
| recreationManagement | permit system for some boating sections ⓘ |
| region | Pacific Northwest ⓘ |
| riverSystem |
Columbia River basin
NERFINISHED
ⓘ
Snake River basin NERFINISHED ⓘ |
| sourceLocation |
Sawtooth Mountains
NERFINISHED
ⓘ
Sawtooth National Forest NERFINISHED ⓘ |
| state | Idaho NERFINISHED ⓘ |
| tributaryOf | Boise River NERFINISHED ⓘ |
| watercourseType | mountain 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: South Fork Boise River Description of subject: The South Fork Boise River is a major tributary of the Boise River in central Idaho, known for its scenic canyon, whitewater recreation, and trout fisheries within the Boise National Forest.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.