Zervreila dam
E702785
Zervreila dam is a large hydroelectric gravity dam in the Swiss Alps that forms Lake Zervreila above the village of Vals in the canton of Graubünden.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zervreila dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7989298 — 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: Zervreila dam Context triple: [Vals, hasLandmark, Zervreila dam]
-
A.
Freirina
Freirina is a small town and commune in northern Chile known for its agricultural activity and historic architecture within the Atacama Region.
-
B.
Velda
Velda is the loyal and resourceful secretary and love interest of private investigator Mike Hammer in the hardboiled crime novel and film "Kiss Me Deadly."
-
C.
Vishkanya
Vishkanya is a 1991 Indian Hindi-language horror film known for its supernatural revenge plot and early appearance of actress Riya Sen.
-
D.
Fidra
Fidra is a small uninhabited island off the coast of East Lothian, Scotland, known for its lighthouse, seabird colonies, and as an inspiration for Robert Louis Stevenson.
-
E.
Dunira
Dunira is a historic Scottish country estate notable for its 19th-century architecture and landscaped grounds.
- 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: Zervreila dam Target entity description: Zervreila dam is a large hydroelectric gravity dam in the Swiss Alps that forms Lake Zervreila above the village of Vals in the canton of Graubünden.
-
A.
Freirina
Freirina is a small town and commune in northern Chile known for its agricultural activity and historic architecture within the Atacama Region.
-
B.
Velda
Velda is the loyal and resourceful secretary and love interest of private investigator Mike Hammer in the hardboiled crime novel and film "Kiss Me Deadly."
-
C.
Vishkanya
Vishkanya is a 1991 Indian Hindi-language horror film known for its supernatural revenge plot and early appearance of actress Riya Sen.
-
D.
Fidra
Fidra is a small uninhabited island off the coast of East Lothian, Scotland, known for its lighthouse, seabird colonies, and as an inspiration for Robert Louis Stevenson.
-
E.
Dunira
Dunira is a historic Scottish country estate notable for its 19th-century architecture and landscaped grounds.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ infrastructure ⓘ |
| basinCountry | Switzerland NERFINISHED ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | Europe ⓘ |
| country | Switzerland ⓘ |
| countrySubdivision | Graubünden NERFINISHED ⓘ |
| forms | Lake Zervreila NERFINISHED ⓘ |
| hasReservoir | Lake Zervreila NERFINISHED ⓘ |
| hasTouristAttraction | viewpoint over Lake Zervreila ⓘ |
| impounds | Lake Zervreila NERFINISHED ⓘ |
| locatedIn |
Swiss Alps
NERFINISHED
ⓘ
canton of Graubünden NERFINISHED ⓘ |
| locatedInMountainRange | Lepontine Alps NERFINISHED ⓘ |
| locatedInMunicipality | Vals NERFINISHED ⓘ |
| locatedInRegion | Surselva District NERFINISHED ⓘ |
| locatedNear | Vals, Graubünden NERFINISHED ⓘ |
| nearbySettlement |
Vals
NERFINISHED
ⓘ
Zervreila (former hamlet) NERFINISHED ⓘ |
| operator | Kraftwerke Zervreila AG NERFINISHED ⓘ |
| owner | Kraftwerke Zervreila AG NERFINISHED ⓘ |
| partOf | Swiss hydroelectric power system ⓘ |
| purpose |
hydroelectric power generation
ⓘ
water storage ⓘ |
| reservoirName | Lake Zervreila NERFINISHED ⓘ |
| riverCrossed | Valser Rhein NERFINISHED ⓘ |
| usedFor |
electricity generation
ⓘ
flood control ⓘ recreation ⓘ |
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: Zervreila dam Description of subject: Zervreila dam is a large hydroelectric gravity dam in the Swiss Alps that forms Lake Zervreila above the village of Vals in the canton of Graubünden.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.