Lewis and Clark Lake
E208750
Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lewis and Clark Lake canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T989674 — 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: Lewis and Clark Lake Context triple: [Missouri River, passesThrough, Lewis and Clark Lake]
-
A.
Medicine Lake
Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
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B.
Columbia Lake
Columbia Lake is a freshwater lake in southeastern British Columbia, Canada, best known as the headwater of the Columbia River.
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C.
Lake Cushman
Lake Cushman is a scenic reservoir on the north fork of the Skokomish River in Washington State, popular for boating, fishing, and hiking near Olympic National Park.
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D.
Whiskeytown Lake
Whiskeytown Lake is a large reservoir in Northern California known for its clear waters, outdoor recreation, and role in the Central Valley Project.
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E.
Bass Lake
Bass Lake is a popular recreational reservoir in California’s Sierra Nevada, known for boating, fishing, and its proximity to Yosemite National Park.
- 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: Lewis and Clark Lake Target entity description: Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
-
A.
Medicine Lake
Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
-
B.
Columbia Lake
Columbia Lake is a freshwater lake in southeastern British Columbia, Canada, best known as the headwater of the Columbia River.
-
C.
Lake Cushman
Lake Cushman is a scenic reservoir on the north fork of the Skokomish River in Washington State, popular for boating, fishing, and hiking near Olympic National Park.
-
D.
Whiskeytown Lake
Whiskeytown Lake is a large reservoir in Northern California known for its clear waters, outdoor recreation, and role in the Central Valley Project.
-
E.
Bass Lake
Bass Lake is a popular recreational reservoir in California’s Sierra Nevada, known for boating, fishing, and its proximity to Yosemite National Park.
- F. None of above. chosen
Statements (39)
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: Lewis and Clark Lake Description of subject: Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Yankton, South Dakota