Kastraki Dam
E556977
Kastraki Dam is a major hydroelectric and water management dam in western Greece, built on the Acheloos River to generate power and regulate river flow.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kastraki Dam canonical | 1 |
| Kastraki Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5926449 — 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: Kastraki Dam Context triple: [Acheloos River, hasDam, Kastraki Dam]
-
A.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
-
B.
Valvan Dam
Valvan Dam is a scenic reservoir and popular picnic spot near Lonavala in Maharashtra, known for its tranquil lake, lush surroundings, and pleasant climate.
-
C.
Aras Dam
Aras Dam is a major hydroelectric and irrigation dam on the transboundary Aras River, playing a key role in water management and power generation in the region between Iran and the South Caucasus.
-
D.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
E.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
- 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: Kastraki Dam Target entity description: Kastraki Dam is a major hydroelectric and water management dam in western Greece, built on the Acheloos River to generate power and regulate river flow.
-
A.
Salagou Dam
Salagou Dam is a French hydraulic structure in the Hérault department that created the artificial Lac du Salagou, now known for its striking red landscapes and recreational activities.
-
B.
Valvan Dam
Valvan Dam is a scenic reservoir and popular picnic spot near Lonavala in Maharashtra, known for its tranquil lake, lush surroundings, and pleasant climate.
-
C.
Aras Dam
Aras Dam is a major hydroelectric and irrigation dam on the transboundary Aras River, playing a key role in water management and power generation in the region between Iran and the South Caucasus.
-
D.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
E.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ water management infrastructure ⓘ |
| basinCountry | Greece NERFINISHED ⓘ |
| category |
Dams in Greece
ⓘ
Hydroelectric power stations in Greece ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | Europe ⓘ |
| country | Greece ⓘ |
| damType | gravity ⓘ |
| downstreamFrom | Kremasta Dam NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| function |
flood control
ⓘ
flow regulation for downstream dams ⓘ peak electricity supply ⓘ |
| hasReservoir | Kastraki Reservoir NERFINISHED ⓘ |
| hasUse |
electricity generation for the Greek power grid
ⓘ
support of irrigation downstream ⓘ |
| infrastructureType | large dam ⓘ |
| isPartOf | Greek national electricity system ⓘ |
| locatedIn |
Western Greece
NERFINISHED
ⓘ
mainland Greece ⓘ |
| locatedOnRiver | Acheloos River NERFINISHED ⓘ |
| manages | Acheloos River flow ⓘ |
| nearCity | Agrinio NERFINISHED ⓘ |
| operator | Public Power Corporation of Greece NERFINISHED ⓘ |
| ownedBy | Public Power Corporation of Greece NERFINISHED ⓘ |
| partOf | Acheloos River hydropower cascade NERFINISHED ⓘ |
| purpose |
hydroelectric power generation
ⓘ
river flow regulation ⓘ water management ⓘ |
| region | Aetolia-Acarnania NERFINISHED ⓘ |
| riverBasin | Acheloos River basin NERFINISHED ⓘ |
| upstreamFrom | Stratos Dam NERFINISHED ⓘ |
| watercourse | Acheloos 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: Kastraki Dam Description of subject: Kastraki Dam is a major hydroelectric and water management dam in western Greece, built on the Acheloos River to generate power and regulate river flow.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kastraki Reservoir