Yellowtail Reservoir
E153501
Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yellowtail Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1258928 — 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: Yellowtail Reservoir Context triple: [Bureau of Reclamation, hasReservoirs, Yellowtail Reservoir]
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A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
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B.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
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C.
Little River Reservoir
Little River Reservoir is a man-made lake in Durham County, North Carolina, primarily serving as a municipal water supply and recreational area.
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D.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
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E.
Ice House Reservoir
Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
- 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: Yellowtail Reservoir Target entity description: Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
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C.
Little River Reservoir
Little River Reservoir is a man-made lake in Durham County, North Carolina, primarily serving as a municipal water supply and recreational area.
-
D.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
E.
Ice House Reservoir
Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
- F. None of above. chosen
Statements (29)
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: Yellowtail Reservoir Description of subject: Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.