Zervreila reservoir
E726243
Zervreila reservoir is a high-altitude artificial lake in the Swiss Alps known for its striking mountain scenery and hydroelectric power production.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zervreila reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7989299 — 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 reservoir Context triple: [Vals, hasLandmark, Zervreila reservoir]
-
A.
Bargi Reservoir
Bargi Reservoir is a large artificial lake in Madhya Pradesh, India, created by the Bargi Dam on the Narmada River and used for irrigation, hydropower, and water supply.
-
B.
Koka Reservoir
Koka Reservoir is a major artificial lake in Ethiopia formed by the Koka Dam on the Awash River, serving as an important source of hydroelectric power, irrigation, and fisheries.
-
C.
Gorg Blau reservoir
Gorg Blau reservoir is an artificial mountain lake in Mallorca, Spain, serving as a key freshwater supply within the Serra de Tramuntana range.
-
D.
Kurpsai Reservoir
Kurpsai Reservoir is an artificial lake on the Naryn River in Kyrgyzstan, created for hydroelectric power generation and water regulation.
-
E.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply 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: Zervreila reservoir Target entity description: Zervreila reservoir is a high-altitude artificial lake in the Swiss Alps known for its striking mountain scenery and hydroelectric power production.
-
A.
Bargi Reservoir
Bargi Reservoir is a large artificial lake in Madhya Pradesh, India, created by the Bargi Dam on the Narmada River and used for irrigation, hydropower, and water supply.
-
B.
Koka Reservoir
Koka Reservoir is a major artificial lake in Ethiopia formed by the Koka Dam on the Awash River, serving as an important source of hydroelectric power, irrigation, and fisheries.
-
C.
Gorg Blau reservoir
Gorg Blau reservoir is an artificial mountain lake in Mallorca, Spain, serving as a key freshwater supply within the Serra de Tramuntana range.
-
D.
Kurpsai Reservoir
Kurpsai Reservoir is an artificial lake on the Naryn River in Kyrgyzstan, created for hydroelectric power generation and water regulation.
-
E.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply and recreation.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| accessibleFrom | Vals by road ⓘ |
| basinCountry | Switzerland ⓘ |
| constructionType | storage reservoir ⓘ |
| country | Switzerland ⓘ |
| createdBy | construction of Zervreila Dam ⓘ |
| elevation |
about 1862 metres above sea level
ⓘ
approximately 6109 feet above sea level ⓘ |
| formedByRiver | Valserrhein ⓘ |
| hasActivity |
fishing
ⓘ
hiking ⓘ mountain biking ⓘ |
| hasDam | Zervreila Dam ⓘ |
| hasNearbyPeak |
Fanellhorn
ⓘ
Frunthorn ⓘ Zervreilahorn ⓘ |
| hasNearbySettlement | former village of Zervreila (submerged) ⓘ |
| hasNearbyStructure | Zervreila Chapel ⓘ |
| hasOutflow | Valserrhein ⓘ |
| hasSceneryType | alpine landscape ⓘ |
| hasTourism | alpine tourism ⓘ |
| hasViewpoint |
Zervreila Dam crest
ⓘ
linked to:
Zervreila Dam
|
| hasWaterSource |
glacial meltwater
ⓘ
mountain streams ⓘ |
| infrastructureType | hydropower infrastructure ⓘ |
| knownFor |
high-altitude location
ⓘ
striking mountain scenery ⓘ turquoise-coloured water ⓘ |
| locatedIn |
Canton of Graubünden
ⓘ
linked to:
canton of Graubünden
Vals, Graubünden ⓘ |
| locatedInMountainRange | Lepontine Alps ⓘ |
| locatedInMunicipality | Vals ⓘ |
| locatedInProtectedArea | Swiss Alps mountain environment ⓘ |
| locatedInRegion | Swiss Alps ⓘ |
| locatedInValley | Valsertal ⓘ |
| locatedNear |
village of Vals
ⓘ
linked to:
Vals, Graubünden
|
| operator | Kraftwerke Zervreila AG ⓘ |
| partOf | Zervreila hydroelectric scheme ⓘ |
| purpose | hydroelectric power generation ⓘ |
| use |
electricity production
ⓘ
flood control ⓘ recreation ⓘ water storage ⓘ |
| watercourse | Valserrhein ⓘ |
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 reservoir Description of subject: Zervreila reservoir is a high-altitude artificial lake in the Swiss Alps known for its striking mountain scenery and hydroelectric power production.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.