Rossens Dam
E913711
Rossens Dam is a large concrete arch-gravity dam on the Sarine River in the canton of Fribourg, Switzerland, primarily used for hydroelectric power generation and creating the Lake of Gruyère reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rossens Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10587395 — 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: Rossens Dam Context triple: [Lake of Gruyère, formedByDam, Rossens Dam]
-
A.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
B.
Tieton Dam
Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
-
C.
Petenwell Dam
Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
-
D.
Almanor Dam
Almanor Dam is a large earthfill hydroelectric dam in Plumas County, California, that impounds the North Fork Feather River to form Lake Almanor.
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E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power 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: Rossens Dam Target entity description: Rossens Dam is a large concrete arch-gravity dam on the Sarine River in the canton of Fribourg, Switzerland, primarily used for hydroelectric power generation and creating the Lake of Gruyère reservoir.
-
A.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
B.
Tieton Dam
Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
-
C.
Petenwell Dam
Petenwell Dam is a hydroelectric dam in central Wisconsin that creates Petenwell Lake, one of the state’s largest reservoirs, on the Wisconsin River.
-
D.
Almanor Dam
Almanor Dam is a large earthfill hydroelectric dam in Plumas County, California, that impounds the North Fork Feather River to form Lake Almanor.
-
E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
arch-gravity dam
ⓘ
concrete dam ⓘ hydroelectric dam ⓘ |
| basinCountry | Switzerland ⓘ |
| continent | Europe ⓘ |
| country | Switzerland ⓘ |
| countrySubdivision | canton of Fribourg NERFINISHED ⓘ |
| createsReservoir | Lake of Gruyère NERFINISHED ⓘ |
| hasReservoir | Lake of Gruyère NERFINISHED ⓘ |
| isPartOf | Swiss hydroelectric system ⓘ |
| locatedIn | canton of Fribourg NERFINISHED ⓘ |
| locatedInCountry | Switzerland NERFINISHED ⓘ |
| locatedInRegion | Gruyère District NERFINISHED ⓘ |
| locatedNear | Rossens, Fribourg NERFINISHED ⓘ |
| locatedOnRiver | Sarine River NERFINISHED ⓘ |
| material | concrete ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| purpose |
power generation
ⓘ
water storage ⓘ |
| reservoirName | Lake of Gruyère NERFINISHED ⓘ |
| riverCrossed | Sarine River NERFINISHED ⓘ |
| structureType | arch-gravity dam ⓘ |
| usedFor |
electricity production
ⓘ
flow regulation ⓘ |
| watercourse | Sarine 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: Rossens Dam Description of subject: Rossens Dam is a large concrete arch-gravity dam on the Sarine River in the canton of Fribourg, Switzerland, primarily used for hydroelectric power generation and creating the Lake of Gruyère reservoir.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.