Itá Reservoir
E731648
Itá Reservoir is an artificial lake in southern Brazil formed by the Itá Dam on the Uruguay River, used primarily for hydroelectric power generation and regional water management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Itá Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8074243 — 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: Itá Reservoir Context triple: [Itá Dam, reservoirName, Itá Reservoir]
-
A.
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.
-
B.
Betania Reservoir
Betania Reservoir is an artificial lake in Colombia formed by the Betania Dam, primarily used for hydroelectric power generation, irrigation, and aquaculture.
-
C.
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.
-
D.
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.
-
E.
Tominé Reservoir
Tominé Reservoir is a large artificial lake in Colombia’s Cundinamarca department, known for supplying water to Bogotá and serving as a popular site for sailing and other water sports.
- 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: Itá Reservoir Target entity description: Itá Reservoir is an artificial lake in southern Brazil formed by the Itá Dam on the Uruguay River, used primarily for hydroelectric power generation and regional water management.
-
A.
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.
-
B.
Betania Reservoir
Betania Reservoir is an artificial lake in Colombia formed by the Betania Dam, primarily used for hydroelectric power generation, irrigation, and aquaculture.
-
C.
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.
-
D.
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.
-
E.
Tominé Reservoir
Tominé Reservoir is a large artificial lake in Colombia’s Cundinamarca department, known for supplying water to Bogotá and serving as a popular site for sailing and other water sports.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| associatedPowerPlant | Itá Hydroelectric Power Plant NERFINISHED ⓘ |
| basinCountry | Brazil NERFINISHED ⓘ |
| constructionType | impoundment reservoir ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| countryBorderRiver | Uruguay River NERFINISHED ⓘ |
| createdByStructure | Itá Dam NERFINISHED ⓘ |
| energySourceType | hydroelectric ⓘ |
| formedBy | Itá Dam NERFINISHED ⓘ |
| hasFunction |
regulating Uruguay River discharge near Itá Dam
ⓘ
supporting hydroelectric generation at Itá Dam ⓘ |
| locatedIn |
Rio Grande do Sul
NERFINISHED
ⓘ
Santa Catarina NERFINISHED ⓘ |
| locatedInHydrologicalRegion | Uruguay River hydrological region NERFINISHED ⓘ |
| locatedInRegion | Southern Brazil NERFINISHED ⓘ |
| locatedOnRiver | Uruguay River NERFINISHED ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| purpose |
electricity generation
ⓘ
flood control ⓘ flow regulation ⓘ |
| riverSystem | Uruguay River basin NERFINISHED ⓘ |
| use | regional water management ⓘ |
| waterBodyType | freshwater reservoir ⓘ |
| waterManagementRole | regional water management infrastructure ⓘ |
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: Itá Reservoir Description of subject: Itá Reservoir is an artificial lake in southern Brazil formed by the Itá Dam on the Uruguay River, used primarily for hydroelectric power generation and regional water management.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.