Hengstey Reservoir
E812575
Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hengstey Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9525625 — 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: Hengstey Reservoir Context triple: [Ruhrverband, manages, Hengstey Reservoir]
-
A.
Hillend Reservoir
Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
-
B.
Henne Reservoir
Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
-
C.
E. V. Spence Reservoir
E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
-
D.
Valehouse Reservoir
Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
-
E.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
- 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: Hengstey Reservoir Target entity description: Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
-
A.
Hillend Reservoir
Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
-
B.
Henne Reservoir
Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
-
C.
E. V. Spence Reservoir
E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
-
D.
Valehouse Reservoir
Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
-
E.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Germany ⓘ |
| country | Germany NERFINISHED ⓘ |
| damCrosses | Ruhr NERFINISHED ⓘ |
| hasDam | Hengstey dam NERFINISHED ⓘ |
| hasFunction |
sediment retention
ⓘ
water quality improvement ⓘ |
| hasHydroelectricPlant | Hengstey power station NERFINISHED ⓘ |
| hasShorelineUse |
cycling paths
ⓘ
viewpoints ⓘ walking trails ⓘ |
| inflow | Ruhr NERFINISHED ⓘ |
| isDownstreamOf | Lake Hengstey’s upstream Ruhr sections ⓘ |
| isUpstreamOf | Harkort Reservoir NERFINISHED ⓘ |
| locatedIn | North Rhine-Westphalia ⓘ |
| locatedInMunicipality |
Dortmund
NERFINISHED
ⓘ
Hagen NERFINISHED ⓘ Herdecke NERFINISHED ⓘ |
| locatedInRegion |
North Rhine-Westphalia, Germany
NERFINISHED
ⓘ
Ruhr area NERFINISHED ⓘ |
| locatedNear |
Dortmund
NERFINISHED
ⓘ
Hagen NERFINISHED ⓘ Herdecke NERFINISHED ⓘ |
| locatedOnRiver | Ruhr NERFINISHED ⓘ |
| nearLandmark |
Hohensyburg
NERFINISHED
ⓘ
Ruhrviadukt Herdecke NERFINISHED ⓘ Syburg NERFINISHED ⓘ |
| nearStructure | Koepchenwerk pumped-storage plant NERFINISHED ⓘ |
| operator | Ruhrverband NERFINISHED ⓘ |
| outflow | Ruhr NERFINISHED ⓘ |
| partOf |
Ruhr reservoirs chain
NERFINISHED
ⓘ
Ruhr river system NERFINISHED ⓘ |
| primaryUse |
cooling water supply
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water management ⓘ |
| usedFor |
angling
ⓘ
flood control ⓘ low-flow regulation ⓘ nature recreation ⓘ rowing ⓘ sailing ⓘ shipping support ⓘ |
| waterBodyType | impounded section of river ⓘ |
| waterManagementAuthority | Ruhrverband 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: Hengstey Reservoir Description of subject: Hengstey Reservoir is a man-made lake on the Ruhr River in Germany, primarily used for water management, recreation, and energy production.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.