Arapiuns River
E580746
The Arapiuns River is a waterway in the Brazilian Amazon that flows through the state of Pará and joins the Tapajós River, contributing to the region’s extensive rainforest river system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arapiuns River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5047618 — 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: Arapiuns River Context triple: [Tapajós River, hasTributary, Arapiuns River]
-
A.
Ausa River
The Ausa River is a small watercourse in the Emilia-Romagna region of Italy that flows through the city of Rimini before reaching the Adriatic Sea.
-
B.
Noi River
The Noi River is a significant waterway in central Thailand that branches from and later rejoins the Chao Phraya River, supporting local agriculture and settlements along its course.
-
C.
Agos River
The Agos River is a major waterway in the Philippines that serves as a key drainage basin for the Sierra Madre mountain range and supports surrounding ecosystems and communities.
-
D.
Vaga River
The Vaga River is a major river in northwestern Russia that flows through the Arkhangelsk Oblast and plays an important role in the region’s drainage system and local transport.
-
E.
Bahuda River
Bahuda River is a small east-flowing river in southern India that runs through Andhra Pradesh and Odisha before emptying into the Bay of Bengal.
- 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: Arapiuns River Target entity description: The Arapiuns River is a waterway in the Brazilian Amazon that flows through the state of Pará and joins the Tapajós River, contributing to the region’s extensive rainforest river system.
-
A.
Ausa River
The Ausa River is a small watercourse in the Emilia-Romagna region of Italy that flows through the city of Rimini before reaching the Adriatic Sea.
-
B.
Noi River
The Noi River is a significant waterway in central Thailand that branches from and later rejoins the Chao Phraya River, supporting local agriculture and settlements along its course.
-
C.
Agos River
The Agos River is a major waterway in the Philippines that serves as a key drainage basin for the Sierra Madre mountain range and supports surrounding ecosystems and communities.
-
D.
Vaga River
The Vaga River is a major river in northwestern Russia that flows through the Arkhangelsk Oblast and plays an important role in the region’s drainage system and local transport.
-
E.
Bahuda River
Bahuda River is a small east-flowing river in southern India that runs through Andhra Pradesh and Odisha before emptying into the Bay of Bengal.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| emptiesNear |
Santarém region
ⓘ
linked to:
Santarém District
|
| environment | tropical rainforest ⓘ |
| flowsThrough |
State of Pará
ⓘ
linked to:
state of Pará
|
| hasPortugueseName | Rio Arapiuns ⓘ |
| hasWaterType | freshwater ⓘ |
| isPartOf | Brazilian Amazon river network ⓘ |
| languageOfToponym | Portuguese ⓘ |
| locatedIn |
Brazilian Amazon
ⓘ
linked to:
Amazon rainforest
Northern Brazil ⓘ
linked to:
North Region of Brazil
State of Pará ⓘ
linked to:
Pará
|
| mouthLocatedIn | Tapajós River ⓘ |
| partOf |
Amazon Basin
ⓘ
Amazon rainforest river network ⓘ |
| region | western Pará ⓘ |
| riverSystem |
Amazon River system
ⓘ
linked to:
Amazon River
Tapajós River basin ⓘ |
| supports |
biodiversity in the Amazon rainforest
ⓘ
riverine communities ⓘ |
| tributaryOf | Tapajós River ⓘ |
| usedFor |
fishing
ⓘ
local transportation ⓘ subsistence activities ⓘ |
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: Arapiuns River Description of subject: The Arapiuns River is a waterway in the Brazilian Amazon that flows through the state of Pará and joins the Tapajós River, contributing to the region’s extensive rainforest river system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.