Japurá River
E116229
The Japurá River is a long, sediment-rich river in western Amazonia that flows from Colombia into Brazil, contributing significantly to the water volume and ecological complexity of the Amazon basin.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Japurá River canonical | 2 |
| Japurá River basin | 1 |
| Juruá River | 1 |
| Rio Japurá | 1 |
| Vaupés River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T790209 — 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: Japurá River Context triple: [Amazon River, majorTributary, Japurá River]
-
A.
Apure River
The Apure River is a significant waterway in western Venezuela that drains the Llanos plains and supports regional agriculture, cattle ranching, and river transport.
-
B.
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.
-
C.
Coca River
The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
-
D.
Curaray River
The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
-
E.
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.
- 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: Japurá River Target entity description: The Japurá River is a long, sediment-rich river in western Amazonia that flows from Colombia into Brazil, contributing significantly to the water volume and ecological complexity of the Amazon basin.
-
A.
Apure River
The Apure River is a significant waterway in western Venezuela that drains the Llanos plains and supports regional agriculture, cattle ranching, and river transport.
-
B.
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.
-
C.
Coca River
The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
-
D.
Curaray River
The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| alsoKnownAs | Caquetá River ⓘ |
| basinCountry |
Brazil
ⓘ
Colombia ⓘ |
| biome | Amazon rainforest ⓘ |
| contributesTo |
ecological complexity of the Amazon basin
ⓘ
water volume of the Amazon River ⓘ |
| country |
Brazil
ⓘ
Colombia ⓘ |
| dischargeLocation | confluence with Amazon River ⓘ |
| ecosystemType | tropical rainforest river ⓘ |
| flowsDirection | generally eastward ⓘ |
| flowsInto | Amazon River ⓘ |
| flowsThrough |
Amazon rainforest
ⓘ
surface form:
Brazilian Amazon
Colombian Amazon region ⓘ
surface form:
Colombian Amazon
|
| formsBorderWith | part of the Colombia–Brazil border ⓘ |
| hasCharacteristic |
high suspended sediment load
ⓘ
sediment-rich ⓘ whitewater river ⓘ |
| hasConfluenceNear | Solimões stretch of the Amazon River ⓘ |
| hasFeature |
extensive floodplains
ⓘ
meandering channels ⓘ river islands ⓘ |
| hasSedimentSource | Andean erosion ⓘ |
| hasTributary |
Apaporis River
ⓘ
Mirití-Paraná River ⓘ Yapura tributaries in Colombia ⓘ |
| influences | sediment dynamics of the central Amazon ⓘ |
| inhabitedBy | indigenous communities along its banks ⓘ |
| length |
approximately 1,750 miles
ⓘ
approximately 2,820 kilometers ⓘ |
| locatedIn |
Amazon Basin
ⓘ
surface form:
Amazon basin
South America ⓘ |
| mouthLocation | near Tefé, Brazil ⓘ |
| nameInBrazil |
Japurá River
self-linksurface differs
ⓘ
surface form:
Rio Japurá
|
| nameInColombia | Caquetá River ⓘ |
| partOf |
Amazon River
ⓘ
surface form:
Amazon River system
Northwestern Amazonia ⓘ
surface form:
western Amazonia
|
| region |
northwestern Brazil
ⓘ
southern Colombia ⓘ |
| sourceLocation | Colombian Andes ⓘ |
| supports |
floodplain forests
ⓘ
high aquatic biodiversity ⓘ |
| tributaryOf | Amazon River ⓘ |
| usedFor |
fishing
ⓘ
river transport ⓘ |
| waterType | whitewater ⓘ |
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: Japurá River Description of subject: The Japurá River is a long, sediment-rich river in western Amazonia that flows from Colombia into Brazil, contributing significantly to the water volume and ecological complexity of the Amazon basin.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Juruá River
this entity surface form:
Japurá River basin
this entity surface form:
Vaupés River
this entity surface form:
Rio Japurá