Jamanxim River
E623566
The Jamanxim River is a significant waterway in the Brazilian Amazon that flows through Pará state and contributes to the Tapajós River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jamanxim River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5047616 — 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: Jamanxim River Context triple: [Tapajós River, hasTributary, Jamanxim River]
-
A.
Guapimirim River
The Guapimirim River is a Brazilian river in the state of Rio de Janeiro that flows through the Guapimirim Environmental Protection Area before emptying into Guanabara Bay.
-
B.
Vichada River
The Vichada River is a significant tributary of the Orinoco River in eastern Colombia, flowing through sparsely populated plains and rainforest in the Orinoquía region.
-
C.
Nymboida River
The Nymboida River is a major freshwater river in northern New South Wales, Australia, renowned for its rugged gorges, whitewater rafting, and role in regional water supply and hydroelectric power generation.
-
D.
Letaba River
The Letaba River is a major watercourse in northeastern South Africa that flows through the Kruger National Park, supporting diverse wildlife and ecosystems along its banks.
-
E.
Bandia River
The Bandia River is a lesser-known river in India that serves as a tributary of the Indravati River within the Godavari basin.
- 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: Jamanxim River Target entity description: The Jamanxim River is a significant waterway in the Brazilian Amazon that flows through Pará state and contributes to the Tapajós River system.
-
A.
Guapimirim River
The Guapimirim River is a Brazilian river in the state of Rio de Janeiro that flows through the Guapimirim Environmental Protection Area before emptying into Guanabara Bay.
-
B.
Vichada River
The Vichada River is a significant tributary of the Orinoco River in eastern Colombia, flowing through sparsely populated plains and rainforest in the Orinoquía region.
-
C.
Nymboida River
The Nymboida River is a major freshwater river in northern New South Wales, Australia, renowned for its rugged gorges, whitewater rafting, and role in regional water supply and hydroelectric power generation.
-
D.
Letaba River
The Letaba River is a major watercourse in northeastern South Africa that flows through the Kruger National Park, supporting diverse wildlife and ecosystems along its banks.
-
E.
Bandia River
The Bandia River is a lesser-known river in India that serves as a tributary of the Indravati River within the Godavari basin.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil ⓘ |
| belongsTo |
Tapajós River system
ⓘ
linked to:
Tapajós River basin
|
| climateZone | tropical rainforest climate ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasin | Amazon Basin ⓘ |
| flowsThrough |
Brazilian Amazon
ⓘ
linked to:
Amazon rainforest
Pará ⓘ |
| hasBiodiversity | high ⓘ |
| hasEcosystem | Amazon rainforest ⓘ |
| hasEnvironmentalIssue |
deforestation in surrounding areas
ⓘ
illegal logging in surrounding areas ⓘ land-use conflicts ⓘ |
| hasHydrologicalRegime | rainfall-dominated ⓘ |
| hasProtectedAreaNearby |
Jamanxim National Forest
ⓘ
Jamanxim National Park (proposed/contested) ⓘ |
| isPartOf |
Amazon River system
ⓘ
linked to:
Amazon Basin
|
| languageOfToponym | Portuguese ⓘ |
| locatedIn |
Brazilian Amazon
ⓘ
linked to:
Amazon Basin
Pará ⓘ |
| mouthOf | Tapajós River ⓘ |
| partOf | Tapajós River basin ⓘ |
| region |
Northern Brazil
ⓘ
linked to:
North Region of Brazil
|
| tributaryOf | Tapajós River ⓘ |
| usedFor |
fishing
ⓘ
freshwater supply (local) ⓘ river transport (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: Jamanxim River Description of subject: The Jamanxim River is a significant waterway in the Brazilian Amazon that flows through Pará state and contributes to the Tapajós River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.