Caí River
E495351
The Caí River is a waterway in the state of Rio Grande do Sul in southern Brazil that flows through the region near Porto Alegre and contributes to the local watershed and economy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Caí River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5117042 — 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: Caí River Context triple: [Porto Alegre, hasRiver, Caí River]
-
A.
Sei River
The Sei River is a smaller watercourse in western India that feeds into the Sabarmati River within the arid and semi-arid landscape of Rajasthan and Gujarat.
-
B.
Mangoky River
The Mangoky River is one of Madagascar’s largest rivers, flowing westward across the island and playing a vital role in regional agriculture and ecosystems.
-
C.
Kacha River
The Kacha River is a watercourse in Crimea that flows from the Crimean Mountains through varied landscapes before emptying into the Black Sea.
-
D.
Daule River
The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
-
E.
Katun River
The Katun River is a major mountain river in the Altai Republic of Russia, known for its turquoise waters, dramatic gorges, and significance as one of the principal headwaters of the Ob River.
- 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: Caí River Target entity description: The Caí River is a waterway in the state of Rio Grande do Sul in southern Brazil that flows through the region near Porto Alegre and contributes to the local watershed and economy.
-
A.
Sei River
The Sei River is a smaller watercourse in western India that feeds into the Sabarmati River within the arid and semi-arid landscape of Rajasthan and Gujarat.
-
B.
Mangoky River
The Mangoky River is one of Madagascar’s largest rivers, flowing westward across the island and playing a vital role in regional agriculture and ecosystems.
-
C.
Kacha River
The Kacha River is a watercourse in Crimea that flows from the Crimean Mountains through varied landscapes before emptying into the Black Sea.
-
D.
Daule River
The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
-
E.
Katun River
The Katun River is a major mountain river in the Altai Republic of Russia, known for its turquoise waters, dramatic gorges, and significance as one of the principal headwaters of the Ob River.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | South America ⓘ |
| contributesTo | local economy of Rio Grande do Sul ⓘ |
| country | Brazil ⓘ |
| flowsNear | Porto Alegre ⓘ |
| flowsThrough | municipalities of Rio Grande do Sul ⓘ |
| hasBasinCountry | Brazil ⓘ |
| hasHydrologicalRole | drainage of part of the Porto Alegre region ⓘ |
| hasLanguageOfToponym | Portuguese ⓘ |
| hasMouthLocatedIn | Rio Grande do Sul ⓘ |
| hasName | Rio Caí ⓘ |
| hasNameInLanguage | Rio Caí (Portuguese) ⓘ |
| isInhabitedRegion |
Porto Alegre metropolitan area (vicinity)
ⓘ
linked to:
Metropolitan Region of Porto Alegre
|
| locatedIn |
Rio Grande do Sul
ⓘ
Southern Brazil ⓘ
linked to:
South Region of Brazil
|
| partOf |
hydrographic network of Rio Grande do Sul
ⓘ
local watershed of Rio Grande do Sul ⓘ |
| usedFor |
fishing (local)
ⓘ
irrigation (local) ⓘ transportation (local) ⓘ |
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: Caí River Description of subject: The Caí River is a waterway in the state of Rio Grande do Sul in southern Brazil that flows through the region near Porto Alegre and contributes to the local watershed and economy.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.