Polyphytos Reservoir
E432008
Polyphytos Reservoir is a large artificial lake in northern Greece, created by damming the Aliakmon River and serving as a major source of hydroelectric power and water resources for the surrounding region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Polyfytos Reservoir | 3 |
| Aliakmonas reservoir | 1 |
| Polyphytos Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4333998 — 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: Polyphytos Reservoir Context triple: [Kozani (regional unit), hasLake, Polyphytos 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.
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.
-
D.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
E.
Shaori Reservoir
Shaori Reservoir is a scenic artificial lake in Georgia’s Racha region, known for its mountainous surroundings and popularity as a recreational and tourist destination.
- 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: Polyphytos Reservoir Target entity description: Polyphytos Reservoir is a large artificial lake in northern Greece, created by damming the Aliakmon River and serving as a major source of hydroelectric power and water resources for the surrounding region.
-
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.
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.
-
D.
Almatti Reservoir
Almatti Reservoir is a major water body in Karnataka, India, formed on the Krishna River and used for irrigation, power generation, and regional water supply.
-
E.
Shaori Reservoir
Shaori Reservoir is a scenic artificial lake in Georgia’s Racha region, known for its mountainous surroundings and popularity as a recreational and tourist destination.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry | Greece ⓘ |
| continent | Europe ⓘ |
| country | Greece ⓘ |
| createdBy | Polyphytos Dam ⓘ |
| crossedBy |
Rymnio Bridge
ⓘ
Servia Bridge ⓘ |
| hasDam | Polyphytos Dam ⓘ |
| hasFunction |
electricity generation for the Greek power grid
ⓘ
regional water management ⓘ |
| locatedIn |
Grevena regional unit
ⓘ
linked to:
Grevena (regional unit)
Kozani regional unit ⓘ
linked to:
Kozani (regional unit)
Western Macedonia ⓘ northern Greece ⓘ |
| locatedOnRiver |
Aliakmon River
ⓘ
linked to:
Aliakmonas River
|
| namedAfter | Polyphytos ⓘ |
| near |
Grevena regional unit
ⓘ
linked to:
Grevena (regional unit)
Kozani regional unit ⓘ
linked to:
Kozani (regional unit)
Servia ⓘ |
| operator |
Public Power Corporation of Greece
ⓘ
linked to:
Public Power Corporation (PPC) of Greece
|
| outflow |
Aliakmon River
ⓘ
linked to:
Aliakmonas River
|
| partOf |
Aliakmon River basin
ⓘ
linked to:
Aliakmonas River
|
| region |
Macedonia
ⓘ
linked to:
Macedonia (Greece)
|
| use |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ recreation ⓘ water supply ⓘ |
| watercourse |
Aliakmon River
ⓘ
linked to:
Aliakmonas River
|
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: Polyphytos Reservoir Description of subject: Polyphytos Reservoir is a large artificial lake in northern Greece, created by damming the Aliakmon River and serving as a major source of hydroelectric power and water resources for the surrounding region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Polyphytos Reservoir
linked to: Polyphytos Reservoir
linked to: Polyphytos Reservoir
linked to: Polyphytos Reservoir