Alcova Reservoir
E879856
Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alcova Reservoir canonical | 8 |
| Alcova Reservoir recreation area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10547408 — 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: Alcova Reservoir Context triple: [North Platte River, flowsThrough, Alcova Reservoir]
-
A.
Pathfinder Reservoir
Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
-
B.
Sweetwater Reservoir
Sweetwater Reservoir is a man-made lake in San Diego County, California, that serves as a key water supply and recreational area for the surrounding communities.
-
C.
Ayer Reservoir
Ayer Reservoir is a man-made lake in Massachusetts that serves as a local water resource and recreational area within the Merrimack River watershed.
-
D.
Stillwater Reservoir
Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
-
E.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa 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: Alcova Reservoir Target entity description: Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
-
A.
Pathfinder Reservoir
Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
-
B.
Sweetwater Reservoir
Sweetwater Reservoir is a man-made lake in San Diego County, California, that serves as a key water supply and recreational area for the surrounding communities.
-
C.
Ayer Reservoir
Ayer Reservoir is a man-made lake in Massachusetts that serves as a local water resource and recreational area within the Merrimack River watershed.
-
D.
Stillwater Reservoir
Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
-
E.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| fishSpecies |
perch
ⓘ
trout ⓘ walleye ⓘ |
| formedByDam | Alcova Dam ⓘ |
| hasDam | Alcova Dam ⓘ |
| hasFeature |
boat ramps
ⓘ
campgrounds ⓘ day-use areas ⓘ marinas ⓘ picnic areas ⓘ |
| inflow | North Platte River ⓘ |
| isPopularFor |
boating
ⓘ
fishing ⓘ water recreation ⓘ |
| locatedIn |
Natrona County, Wyoming
ⓘ
Wyoming ⓘ |
| locatedInRegion | central Wyoming ⓘ |
| locatedOnRiver | North Platte River ⓘ |
| managingAgency |
U.S. Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| nearCity | Casper, Wyoming ⓘ |
| nearCommunity | Alcova, Wyoming ⓘ |
| operator |
U.S. Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| outflow | North Platte River ⓘ |
| partOfProject | Kendrick Project ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ recreation ⓘ |
| recreationActivity |
boating
ⓘ
camping ⓘ fishing ⓘ ice fishing ⓘ swimming ⓘ water skiing ⓘ |
| region | western United States ⓘ |
| usedFor |
hydropower
ⓘ
irrigation storage ⓘ outdoor recreation ⓘ |
| waterBodyType | reservoir on the North Platte River ⓘ |
| watercourse | North Platte 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: Alcova Reservoir Description of subject: Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alcova Reservoir