Hengstey dam
E1033259
Hengstey dam is a hydroelectric and flood-control dam on the Ruhr River in North Rhine-Westphalia, Germany, forming the Hengsteysee reservoir near the cities of Hagen and Dortmund.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hengstey dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13312553 — 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 dam Context triple: [Hengsteysee, nearbyStructure, Hengstey dam]
-
A.
Henne Dam
Henne Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
-
B.
Gotvand Dam
Gotvand Dam is a major rock-fill embankment dam in southwestern Iran, built on the Karun River for hydroelectric power generation, irrigation, and water regulation.
-
C.
Vaalkop Dam
Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
-
D.
Guthega Dam
Guthega Dam is a concrete gravity dam on the Snowy River in New South Wales, Australia, forming part of the Snowy Mountains Scheme hydroelectric and irrigation project.
-
E.
Hinze Dam
Hinze Dam is a major rock and earth-fill dam on the Gold Coast in Queensland, Australia, that creates Advancetown Lake and supplies water, flood mitigation, and recreation for 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: Hengstey dam Target entity description: Hengstey dam is a hydroelectric and flood-control dam on the Ruhr River in North Rhine-Westphalia, Germany, forming the Hengsteysee reservoir near the cities of Hagen and Dortmund.
-
A.
Henne Dam
Henne Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
-
B.
Gotvand Dam
Gotvand Dam is a major rock-fill embankment dam in southwestern Iran, built on the Karun River for hydroelectric power generation, irrigation, and water regulation.
-
C.
Vaalkop Dam
Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
-
D.
Guthega Dam
Guthega Dam is a concrete gravity dam on the Snowy River in New South Wales, Australia, forming part of the Snowy Mountains Scheme hydroelectric and irrigation project.
-
E.
Hinze Dam
Hinze Dam is a major rock and earth-fill dam on the Gold Coast in Queensland, Australia, that creates Advancetown Lake and supplies water, flood mitigation, and recreation for the region.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood-control dam ⓘ hydroelectric dam ⓘ |
| basinCountry | Germany ⓘ |
| continent | Europe ⓘ |
| country | Germany ⓘ |
| formsReservoir | Hengsteysee ⓘ |
| hasPurpose |
flood protection
ⓘ
hydropower ⓘ |
| hasReservoir | Hengsteysee ⓘ |
| locatedIn |
Germany
ⓘ
North Rhine-Westphalia ⓘ |
| locatedInState | North Rhine-Westphalia ⓘ |
| locatedNear |
Dortmund
ⓘ
Hagen ⓘ Hengsteysee ⓘ Herdecke ⓘ |
| locatedNearCity |
Dortmund
ⓘ
Hagen ⓘ |
| locatedOnRiver | Ruhr ⓘ |
| nearMetropolitanArea |
Ruhr metropolitan region
ⓘ
linked to:
Ruhr area
|
| partOf | Ruhr River dams ⓘ |
| primaryFunction |
flood control
ⓘ
hydroelectric power generation ⓘ |
| region |
Ruhr region
ⓘ
linked to:
Ruhr area
|
| reservoirName | Hengsteysee ⓘ |
| riverBasin |
Ruhr basin
ⓘ
linked to:
Ruhr
|
| usedFor |
electricity generation
ⓘ
flood mitigation ⓘ water level regulation ⓘ |
| watercourse | Ruhr ⓘ |
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 dam Description of subject: Hengstey dam is a hydroelectric and flood-control dam on the Ruhr River in North Rhine-Westphalia, Germany, forming the Hengsteysee reservoir near the cities of Hagen and Dortmund.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.