North Fork Reservoir
E362003
North Fork Reservoir is a popular man-made lake in Clackamas County, Oregon, known for fishing, boating, and other outdoor recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| North Fork Reservoir canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3364472 — 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: North Fork Reservoir Context triple: [Estacada, Oregon, locatedNear, North Fork Reservoir]
-
A.
Hemlocks Reservoir
Hemlocks Reservoir is a freshwater body in Easton, Connecticut, known primarily as part of the region’s public drinking water supply and scenic natural landscape.
-
B.
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.
-
C.
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.
-
D.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
-
E.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
- 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: North Fork Reservoir Target entity description: North Fork Reservoir is a popular man-made lake in Clackamas County, Oregon, known for fishing, boating, and other outdoor recreation.
-
A.
Hemlocks Reservoir
Hemlocks Reservoir is a freshwater body in Easton, Connecticut, known primarily as part of the region’s public drinking water supply and scenic natural landscape.
-
B.
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.
-
C.
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.
-
D.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
-
E.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| accessibleFrom | Oregon Route 224 ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| formedBy | impoundment of the Clackamas River ⓘ |
| governingJurisdiction | Clackamas County, Oregon ⓘ |
| hasActivity |
canoeing
ⓘ
kayaking ⓘ stand-up paddleboarding ⓘ |
| hasFacility |
boat ramp
ⓘ
day-use area ⓘ parking area ⓘ picnic tables ⓘ restrooms ⓘ |
| hasFishSpecies |
bass
ⓘ
cutthroat trout ⓘ kokanee salmon ⓘ panfish ⓘ rainbow trout ⓘ |
| hasNearbyFeature | North Fork Dam ⓘ |
| hasRecreationManagement | day-use focus ⓘ |
| hasRecreationSeason | primarily spring through fall ⓘ |
| hasRegulation |
boating safety rules apply
ⓘ
fishing regulations set by Oregon Department of Fish and Wildlife ⓘ |
| hasShoreline | forested shoreline ⓘ |
| hasUseRestriction |
designated swimming areas only
ⓘ
seasonal access limitations ⓘ |
| isPopularFor |
boat fishing
ⓘ
family recreation ⓘ shoreline fishing ⓘ |
| locatedIn |
Clackamas County, Oregon
ⓘ
Oregon ⓘ Pacific Northwest ⓘ |
| locatedOnRiver | Clackamas River ⓘ |
| near |
Estacada, Oregon
ⓘ
Mount Hood National Forest ⓘ |
| partOf |
Clackamas River watershed
ⓘ
linked to:
Clackamas River
|
| usedFor |
boating
ⓘ
day use ⓘ fishing ⓘ picnicking ⓘ recreation ⓘ swimming ⓘ |
| waterBodyType | freshwater lake ⓘ |
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: North Fork Reservoir Description of subject: North Fork Reservoir is a popular man-made lake in Clackamas County, Oregon, known for fishing, boating, and other outdoor recreation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.