Slab Creek Reservoir
E509207
Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Slab Creek Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4957218 — 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: Slab Creek Reservoir Context triple: [South Fork American River, hasReservoir, Slab Creek Reservoir]
-
A.
Cedar Creek Reservoir
Cedar Creek Reservoir is a large man-made lake in East Texas popular for boating, fishing, and serving as a major water supply and recreation area for the region.
-
B.
Clear Creek Reservoir
Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
-
C.
Banner Creek Reservoir
Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
-
D.
Hills Creek Reservoir
Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
-
E.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
- 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: Slab Creek Reservoir Target entity description: Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
-
A.
Cedar Creek Reservoir
Cedar Creek Reservoir is a large man-made lake in East Texas popular for boating, fishing, and serving as a major water supply and recreation area for the region.
-
B.
Clear Creek Reservoir
Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
-
C.
Banner Creek Reservoir
Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
-
D.
Hills Creek Reservoir
Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
-
E.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| formedBy | Slab Creek Dam NERFINISHED ⓘ |
| hasDam | Slab Creek Dam NERFINISHED ⓘ |
| hasFeature |
forested shoreline
ⓘ
steep canyon walls ⓘ |
| isPartOfHydroelectricProject | Upper American River Project NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
El Dorado County, California NERFINISHED ⓘ Sierra Nevada foothills ⓘ |
| locatedNear |
Camino, California
NERFINISHED
ⓘ
Placerville, California NERFINISHED ⓘ |
| locatedOnRiver | South Fork American River NERFINISHED ⓘ |
| operator | Sacramento Municipal Utility District NERFINISHED ⓘ |
| outflow | South Fork American River NERFINISHED ⓘ |
| partOf | American River watershed NERFINISHED ⓘ |
| purpose |
hydroelectric power generation
ⓘ
recreation ⓘ |
| recreationActivity |
kayaking
ⓘ
rafting ⓘ whitewater boating ⓘ |
| recreationAreaType | day-use area ⓘ |
| region | Northern California ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| use |
boating
ⓘ
camping ⓘ fishing ⓘ wildlife observation ⓘ |
| waterBodyType | impoundment ⓘ |
| watercourse | South Fork American River NERFINISHED ⓘ |
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: Slab Creek Reservoir Description of subject: Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.