Araguaia River
E369600
The Araguaia River is a major waterway in central Brazil known for its extensive wetlands, rich biodiversity, and role as a natural boundary between several Brazilian states.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Araguaia River canonical | 1 |
| Araguaia River basin | 1 |
| Rio Araguaia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3535895 — 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: Araguaia River Context triple: [Mato Grosso, contains, Araguaia River]
-
A.
Paranaíba River
The Paranaíba River is a major river in central Brazil that forms part of the upper Paraná River basin and serves as an important waterway for agriculture, hydroelectric power, and regional ecosystems.
-
B.
Xingu River
The Xingu River is a major river in northern Brazil that flows through the Amazon rainforest, supporting rich biodiversity and numerous Indigenous communities before joining the Amazon River.
-
C.
Acre River
The Acre River is a major tributary of the Purus River in western Amazonia, flowing through Peru, Bolivia, and Brazil and serving as an important waterway for the surrounding rainforest regions.
-
D.
Apaporis River
The Apaporis River is a remote, biodiverse waterway in the Colombian Amazon known for its rich indigenous cultures and largely untouched rainforest surroundings.
-
E.
Tapajós River
The Tapajós River is a large clearwater river in northern Brazil that flows through the Amazon rainforest and is one of the Amazon River’s most significant tributaries.
- 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: Araguaia River Target entity description: The Araguaia River is a major waterway in central Brazil known for its extensive wetlands, rich biodiversity, and role as a natural boundary between several Brazilian states.
-
A.
Paranaíba River
The Paranaíba River is a major river in central Brazil that forms part of the upper Paraná River basin and serves as an important waterway for agriculture, hydroelectric power, and regional ecosystems.
-
B.
Xingu River
The Xingu River is a major river in northern Brazil that flows through the Amazon rainforest, supporting rich biodiversity and numerous Indigenous communities before joining the Amazon River.
-
C.
Acre River
The Acre River is a major tributary of the Purus River in western Amazonia, flowing through Peru, Bolivia, and Brazil and serving as an important waterway for the surrounding rainforest regions.
-
D.
Apaporis River
The Apaporis River is a remote, biodiverse waterway in the Colombian Amazon known for its rich indigenous cultures and largely untouched rainforest surroundings.
-
E.
Tapajós River
The Tapajós River is a large clearwater river in northern Brazil that flows through the Amazon rainforest and is one of the Amazon River’s most significant tributaries.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| actsAsNaturalBoundaryBetween |
Goiás and Tocantins (state)
ⓘ
Mato Grosso ⓘ
surface form:
Mato Grosso and Goiás
Tocantins (state) and Pará ⓘ |
| associatedProtectedArea | Araguaia National Park ⓘ |
| associatedWithBiome |
Amazon rainforest (transition zone)
ⓘ
Cerrado ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasin | Tocantins–Araguaia Basin ⓘ |
| flowsThrough |
Goiás
ⓘ
Mato Grosso ⓘ Pará ⓘ Tocantins ⓘ
surface form:
Tocantins (state)
|
| formsBorderWith |
Goiás
ⓘ
Pará ⓘ Tocantins ⓘ
surface form:
Tocantins (state)
|
| hasBiodiversityFeature |
aquatic fauna diversity
ⓘ
migratory fish species ⓘ waterbirds ⓘ |
| hasEcosystemType |
floodplain
ⓘ
gallery forest ⓘ savanna ⓘ |
| hasHydrologicalFeature |
seasonal flooding
ⓘ
wide floodplains ⓘ |
| hasIsland | Bananal Island NERFINISHED ⓘ |
| hasPart | Bananal Island NERFINISHED ⓘ |
| hasPortugueseName |
Araguaia River
self-linksurface differs
ⓘ
surface form:
Rio Araguaia
|
| hasTourismActivity |
beach tourism
ⓘ
boat tours ⓘ sport fishing ⓘ |
| hasWetlandRegion | Araguaia wetlands ⓘ |
| isMajorWaterwayOf |
Central-West Region of Brazil
ⓘ
surface form:
Central Brazil
|
| knownFor |
ecotourism
ⓘ
extensive wetlands ⓘ freshwater beaches ⓘ rich biodiversity ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedIn |
Central-West Region of Brazil
ⓘ
surface form:
Central Brazil
|
| mouth | Tocantins River ⓘ |
| partOf |
Tocantins River
ⓘ
surface form:
Tocantins–Araguaia river system
|
| riverSystem |
Tocantins River
ⓘ
surface form:
Tocantins River system
|
| sourceLocation | Mato Grosso ⓘ |
| usedFor |
fishing
ⓘ
recreation ⓘ river transport ⓘ |
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: Araguaia River Description of subject: The Araguaia River is a major waterway in central Brazil known for its extensive wetlands, rich biodiversity, and role as a natural boundary between several Brazilian states.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mato Grosso
this entity surface form:
Araguaia River basin
this entity surface form:
Rio Araguaia