Solimões stretch of the Amazon River
E498556
The Solimões stretch of the Amazon River is the name given in Brazil to the upper course of the Amazon, extending from the Peruvian border to its confluence with the Negro River near Manaus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Solimões stretch of the Amazon River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5152575 — 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: Solimões stretch of the Amazon River Context triple: [Japurá River, hasConfluenceNear, Solimões stretch of the Amazon River]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Massa River
The Massa River is a river in the Swiss canton of Valais that flows from the Aletsch Glacier through a deep gorge before joining the Rhône.
-
E.
Massa River
The Massa River is a watercourse in southwestern Morocco that flows through the Souss-Massa region and supports important agricultural lands and wetlands before reaching the Atlantic Ocean.
- 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: Solimões stretch of the Amazon River Target entity description: The Solimões stretch of the Amazon River is the name given in Brazil to the upper course of the Amazon, extending from the Peruvian border to its confluence with the Negro River near Manaus.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Massa River
The Massa River is a river in the Swiss canton of Valais that flows from the Aletsch Glacier through a deep gorge before joining the Rhône.
-
E.
Massa River
The Massa River is a watercourse in southwestern Morocco that flows through the Souss-Massa region and supports important agricultural lands and wetlands before reaching the Atlantic Ocean.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river section ⓘ |
| alsoKnownAs | Upper Amazon (in Brazil) NERFINISHED ⓘ |
| basinCountry |
Brazil
NERFINISHED
ⓘ
Peru NERFINISHED ⓘ |
| confluenceWith | Negro River NERFINISHED ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| ecosystem | tropical rainforest ⓘ |
| endPoint | confluence with the Negro River ⓘ |
| flowsDirection | generally eastward ⓘ |
| flowsThrough | Amazonas (Brazilian state) NERFINISHED ⓘ |
| formsBorderNearSource | Brazil–Peru border NERFINISHED ⓘ |
| hasPhenomenon | seasonal flooding ⓘ |
| hydrologicalRole | main upper trunk of the Amazon River ⓘ |
| knownFor |
high biodiversity
ⓘ
large sediment load ⓘ |
| languageOfName | Portuguese ⓘ |
| localName | Solimões NERFINISHED ⓘ |
| locatedIn |
Brazil
NERFINISHED
ⓘ
South America ⓘ |
| majorCityOnBanks | Manaus NERFINISHED ⓘ |
| meets | blackwater Negro River at Manaus ⓘ |
| nameUsedIn | Brazil NERFINISHED ⓘ |
| near | Manaus NERFINISHED ⓘ |
| partOf |
Amazon River
NERFINISHED
ⓘ
Amazon fluvial transport network NERFINISHED ⓘ Amazon rainforest region NERFINISHED ⓘ |
| region | western Amazon NERFINISHED ⓘ |
| riverSystem | Amazon Basin NERFINISHED ⓘ |
| startPoint | Peruvian border with Brazil ⓘ |
| tributaryConfluence |
Japurá River
NERFINISHED
ⓘ
Juruá River NERFINISHED ⓘ Madeira River NERFINISHED ⓘ Purus River NERFINISHED ⓘ |
| upperCourseOf | Amazon River NERFINISHED ⓘ |
| usedFor |
fishing
ⓘ
local trade ⓘ river transport ⓘ |
| waterBodyType | whitewater river ⓘ |
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: Solimões stretch of the Amazon River Description of subject: The Solimões stretch of the Amazon River is the name given in Brazil to the upper course of the Amazon, extending from the Peruvian border to its confluence with the Negro River near Manaus.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.