Lake Tahoe Basin
E7384
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
All labels observed (23)
How this entity was disambiguated
This entity first appeared as the object of triple T12023 — 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: Lake Tahoe Basin Context triple: [Sierra Nevada, contains, Lake Tahoe Basin]
-
A.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
B.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
C.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
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D.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
E.
Tahoe Regional Planning Agency
The Tahoe Regional Planning Agency is a bi-state regulatory body responsible for coordinating environmental protection, land use, and development planning in the Lake Tahoe Basin.
- 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: Lake Tahoe Basin Target entity description: The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
-
A.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
B.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
C.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
D.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
E.
Tahoe Regional Planning Agency
The Tahoe Regional Planning Agency is a bi-state regulatory body responsible for coordinating environmental protection, land use, and development planning in the Lake Tahoe Basin.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
geographic region
ⓘ
high-altitude basin ⓘ watershed ⓘ |
| borderedBy |
Carson Range
ⓘ
Sierra Nevada crest ⓘ
linked to:
Sierra Nevada
|
| centeredOn | Lake Tahoe ⓘ |
| contains |
Desolation Wilderness (portion)
ⓘ
linked to:
Desolation Wilderness (part)
Emerald Bay ⓘ Heavenly Mountain Resort ⓘ Incline Village ⓘ Lake Tahoe ⓘ Lake Tahoe Nevada State Park (portion) ⓘ
linked to:
Lake Tahoe Nevada State Park
Northstar California Resort ⓘ
linked to:
Northstar California
South Lake Tahoe ⓘ Squaw Valley–Alpine Meadows area ⓘ
linked to:
Squaw Valley
Stateline ⓘ Tahoe City ⓘ Tahoe National Forest (portion) ⓘ
linked to:
Tahoe National Forest
|
| country |
United States
ⓘ
linked to:
United States of America
|
| drainsInto | Truckee River ⓘ |
| elevation | high altitude ⓘ |
| environmentalIssue |
urban development pressure
ⓘ
water clarity decline ⓘ wildfire risk ⓘ |
| governedBy | Tahoe Regional Planning Agency ⓘ |
| hasClimate |
alpine climate
ⓘ
continental Mediterranean climate ⓘ |
| hasEcosystemType |
alpine meadow
ⓘ
montane forest ⓘ subalpine forest ⓘ |
| hasFeature |
alpine lake
ⓘ
clear water ⓘ coniferous forests ⓘ granite bedrock ⓘ mountainous terrain ⓘ snowpack ⓘ |
| hasOutflow | Truckee River ⓘ |
| hasProtectedArea | Lake Tahoe Basin Management Unit ⓘ |
| knownFor |
clear alpine lake
ⓘ
hiking trails ⓘ scenic beauty ⓘ ski resorts ⓘ water-based recreation ⓘ year-round outdoor recreation ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Nevada ⓘ Sierra Nevada ⓘ United States ⓘ
linked to:
United States of America
|
| managedBy | U.S. Forest Service ⓘ |
| partOf |
Great Basin hydrologic region
ⓘ
linked to:
Great Basin
Lake Tahoe watershed ⓘ
linked to:
Lake Tahoe Basin
|
| supportsActivity |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ mountain biking ⓘ skiing ⓘ snowboarding ⓘ |
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: Lake Tahoe Basin Description of subject: The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
Referenced by (187)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lake Tahoe Basin
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linked to: Lake Tahoe Basin
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linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
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subject linked to:
Douglas County
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin
linked to: Lake Tahoe Basin