Foster Reservoir
E833402
Foster Reservoir is a man-made lake in Linn County, Oregon, popular for boating, fishing, and other recreational activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Foster Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9929734 — 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: Foster Reservoir Context triple: [Foster, Oregon, hasNearbyReservoir, Foster Reservoir]
-
A.
Brownlee Reservoir
Brownlee Reservoir is a large man-made lake on the Snake River along the Oregon–Idaho border, popular for boating, fishing, and other water recreation.
-
B.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Norton Reservoir
Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
-
E.
R. L. Harris Reservoir
R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
- 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: Foster Reservoir Target entity description: Foster Reservoir is a man-made lake in Linn County, Oregon, popular for boating, fishing, and other recreational activities.
-
A.
Brownlee Reservoir
Brownlee Reservoir is a large man-made lake on the Snake River along the Oregon–Idaho border, popular for boating, fishing, and other water recreation.
-
B.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Norton Reservoir
Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
-
E.
R. L. Harris Reservoir
R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Linn County NERFINISHED ⓘ |
| createdBy | Foster Dam NERFINISHED ⓘ |
| hasActivity |
angling
ⓘ
jet skiing ⓘ sailing ⓘ |
| hasFishSpecies |
bass
ⓘ
kokanee salmon ⓘ panfish ⓘ trout ⓘ |
| hasInflow | South Santiam River NERFINISHED ⓘ |
| hasNearbyCity |
Foster, Oregon
NERFINISHED
ⓘ
Sweet Home, Oregon NERFINISHED ⓘ |
| hasOutflow | South Santiam River NERFINISHED ⓘ |
| hasRecreationalArea |
Lewis Creek Park
NERFINISHED
ⓘ
Sunnyside County Park NERFINISHED ⓘ |
| isImpoundedBy | Foster Dam NERFINISHED ⓘ |
| locatedIn |
Linn County, Oregon
NERFINISHED
ⓘ
Oregon ⓘ Willamette Valley NERFINISHED ⓘ |
| locatedOnRiver | South Santiam River NERFINISHED ⓘ |
| manMade | true ⓘ |
| operator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOfProject | Willamette Valley Project NERFINISHED ⓘ |
| popularFor |
day-use recreation
ⓘ
warm-weather recreation ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation water storage ⓘ recreation ⓘ |
| region | Pacific Northwest ⓘ |
| state | Oregon ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ fishing ⓘ picnicking ⓘ swimming ⓘ water skiing ⓘ |
| waterBodyType |
lake
ⓘ
reservoir ⓘ |
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: Foster Reservoir Description of subject: Foster Reservoir is a man-made lake in Linn County, Oregon, popular for boating, fishing, and other recreational activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.