North Fork Big Lost River
E1014610
The North Fork Big Lost River is a mountain river in central Idaho that drains part of the Pioneer Mountains and contributes to the Big Lost River system in the arid Lost River Valley.
All labels observed (2)
| Label | Occurrences |
|---|---|
| North Fork Big Lost River canonical | 3 |
| Big Lost River | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12909282 — 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: North Fork Big Lost River Context triple: [Pioneer Mountains (Idaho), contains, North Fork Big Lost River]
-
A.
East Fork Kaweah River
The East Fork Kaweah River is a mountain river in California’s southern Sierra Nevada that drains the Mineral King area of Sequoia National Park and feeds into the Kaweah River system.
-
B.
Illilouette Creek
Illilouette Creek is a scenic mountain stream in Yosemite National Park, known for feeding Illilouette Fall and contributing to the park’s dramatic river and waterfall system.
-
C.
Hayfork Creek
Hayfork Creek is a tributary stream in Northern California that flows through the Trinity River Basin, contributing to the region’s watershed and aquatic ecosystems.
-
D.
North Fork Trinity River
The North Fork Trinity River is a major tributary of the Trinity River in Northern California, known for its rugged canyon scenery, cold clear waters, and popular fishing and whitewater recreation.
-
E.
Blaine Creek
Blaine Creek is a smaller waterway in Oregon that feeds into the Nestucca River, contributing to the river’s flow and local watershed.
- 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: North Fork Big Lost River Target entity description: The North Fork Big Lost River is a mountain river in central Idaho that drains part of the Pioneer Mountains and contributes to the Big Lost River system in the arid Lost River Valley.
-
A.
East Fork Kaweah River
The East Fork Kaweah River is a mountain river in California’s southern Sierra Nevada that drains the Mineral King area of Sequoia National Park and feeds into the Kaweah River system.
-
B.
Illilouette Creek
Illilouette Creek is a scenic mountain stream in Yosemite National Park, known for feeding Illilouette Fall and contributing to the park’s dramatic river and waterfall system.
-
C.
Hayfork Creek
Hayfork Creek is a tributary stream in Northern California that flows through the Trinity River Basin, contributing to the region’s watershed and aquatic ecosystems.
-
D.
North Fork Trinity River
The North Fork Trinity River is a major tributary of the Trinity River in Northern California, known for its rugged canyon scenery, cold clear waters, and popular fishing and whitewater recreation.
-
E.
Blaine Creek
Blaine Creek is a smaller waterway in Oregon that feeds into the Nestucca River, contributing to the river’s flow and local watershed.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
mountain river
ⓘ
river ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin | Big Lost River basin ⓘ |
| drains | Pioneer Mountains ⓘ |
| drainsInto | Big Lost River ⓘ |
| environment | arid valley ⓘ |
| flowsThrough | Lost River Valley ⓘ |
| hasCharacteristic |
mountain-fed flow regime
ⓘ
seasonal variation in discharge ⓘ |
| hasName | North Fork Big Lost River ⓘ |
| hydrologicalSystem | Big Lost River system ⓘ |
| languageOfName | English ⓘ |
| locatedIn |
Idaho
ⓘ
central Idaho ⓘ |
| locatedInAdministrativeTerritory | Custer County, Idaho ⓘ |
| locatedInHydrologicalRegion | Upper Snake River Basin (closed sub-basin) ⓘ |
| locatedInRegion | Lost River Valley ⓘ |
| mouthLocatedIn | Lost River Valley ⓘ |
| naturalFeatureOf |
Pioneer Mountains region
ⓘ
linked to:
Pioneer Mountains
|
| partOf |
Lost River Range–Pioneer Mountains watershed
ⓘ
hydrology of central Idaho ⓘ |
| riverSystem | Big Lost River ⓘ |
| sourceRegion | Pioneer Mountains ⓘ |
| tributaryOf | Big Lost River ⓘ |
| watercourseType | perennial stream ⓘ |
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: North Fork Big Lost River Description of subject: The North Fork Big Lost River is a mountain river in central Idaho that drains part of the Pioneer Mountains and contributes to the Big Lost River system in the arid Lost River Valley.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: North Fork Big Lost River
subject linked to:
Lost River Range (part)
linked to: North Fork Big Lost River
subject linked to:
Big Lost River (part)