Promissão Dam
E529675
Promissão Dam is a hydroelectric and water management structure located on the Tietê River in the state of São Paulo, Brazil.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Promissão Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5517826 — 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: Promissão Dam Context triple: [Tietê River, hasDam, Promissão Dam]
-
A.
Elsa River
The Elsa River is a watercourse in Tuscany, central Italy, that flows through towns such as Certaldo before joining the Arno River.
-
B.
Braldo River
The Braldo River is a glacial river in Pakistan’s Karakoram range, known for draining meltwater from the Baltoro Glacier and flowing through remote, high-altitude valleys of Gilgit-Baltistan.
-
C.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
D.
Laja River
The Laja River is a significant river in south-central Chile known for its hydroelectric power generation and scenic waterfalls, including the Salto del Laja.
-
E.
Porce River
The Porce River is a significant waterway in northwestern Colombia that flows through the Antioquia Department and contributes to the region’s hydroelectric power generation and water resources.
- 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: Promissão Dam Target entity description: Promissão Dam is a hydroelectric and water management structure located on the Tietê River in the state of São Paulo, Brazil.
-
A.
Elsa River
The Elsa River is a watercourse in Tuscany, central Italy, that flows through towns such as Certaldo before joining the Arno River.
-
B.
Braldo River
The Braldo River is a glacial river in Pakistan’s Karakoram range, known for draining meltwater from the Baltoro Glacier and flowing through remote, high-altitude valleys of Gilgit-Baltistan.
-
C.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
D.
Laja River
The Laja River is a significant river in south-central Chile known for its hydroelectric power generation and scenic waterfalls, including the Salto del Laja.
-
E.
Porce River
The Porce River is a significant waterway in northwestern Colombia that flows through the Antioquia Department and contributes to the region’s hydroelectric power generation and water resources.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry | Brazil ⓘ |
| constructionBegan | 1960s ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| energySource | hydropower ⓘ |
| hasFunction | run-of-river power generation ⓘ |
| hasSpillway | yes ⓘ |
| locatedIn |
Brazilian Southeast Region
ⓘ
linked to:
Southeast Region of Brazil
Brazilian state of São Paulo ⓘ
linked to:
state of São Paulo
State of São Paulo ⓘ
linked to:
state of São Paulo
|
| locatedNear | Promissão, São Paulo ⓘ |
| locatedOnRiver | Tietê River ⓘ |
| openingDate | 1970s ⓘ |
| operator |
Companhia Energética de São Paulo
ⓘ
linked to:
CPFL Energia
|
| owner | Companhia Energética de São Paulo ⓘ |
| partOf |
Tietê River cascade
ⓘ
linked to:
Tietê River
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation support ⓘ navigation improvement ⓘ water management ⓘ |
| region |
Southeast Brazil
ⓘ
linked to:
Southeast Region of Brazil
|
| reservoirName | Promissão Reservoir ⓘ |
| riverSystem |
Paraná River basin
ⓘ
linked to:
Paraná–Paraguay Basin
|
| usedFor |
electricity supply to São Paulo region
ⓘ
flow regulation of Tietê River ⓘ |
| watercourseDammed | Tietê 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: Promissão Dam Description of subject: Promissão Dam is a hydroelectric and water management structure located on the Tietê River in the state of São Paulo, Brazil.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.