Amazonas
E367132
Amazonas is a vast state in northwestern Brazil, largely covered by the Amazon rainforest and known for its immense biodiversity and the city of Manaus.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Amazonas canonical | 12 |
| Amazonas (Brazilian state) | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3535881 — 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: Amazonas Context triple: [Mato Grosso, borderedBy, Amazonas]
-
A.
Amazon River
The Amazon River is one of the world's longest and largest rivers by discharge, flowing across northern South America through the Amazon rainforest and into the Atlantic Ocean.
-
B.
Rio Negro
Rio Negro is a major blackwater river in South America that flows through Colombia, Venezuela, and Brazil before joining the Amazon River.
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C.
Orinoco River
The Orinoco River is one of the longest and most important rivers in South America, flowing through Venezuela and Colombia and supporting vast tropical ecosystems and human settlements.
-
D.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
E.
Mamoré River
The Mamoré River is a major waterway in South America that flows through Bolivia and Brazil, forming part of the Madeira River system in the Amazon 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: Amazonas Target entity description: Amazonas is a vast state in northwestern Brazil, largely covered by the Amazon rainforest and known for its immense biodiversity and the city of Manaus.
-
A.
Amazon River
The Amazon River is one of the world's longest and largest rivers by discharge, flowing across northern South America through the Amazon rainforest and into the Atlantic Ocean.
-
B.
Rio Negro
Rio Negro is a major blackwater river in South America that flows through Colombia, Venezuela, and Brazil before joining the Amazon River.
-
C.
Orinoco River
The Orinoco River is one of the longest and most important rivers in South America, flowing through Venezuela and Colombia and supporting vast tropical ecosystems and human settlements.
-
D.
Paraná River
The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
-
E.
Mamoré River
The Mamoré River is a major waterway in South America that flows through Bolivia and Brazil, forming part of the Madeira River system in the Amazon Basin.
- F. None of above. chosen
Statements (48)
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: Amazonas Description of subject: Amazonas is a vast state in northwestern Brazil, largely covered by the Amazon rainforest and known for its immense biodiversity and the city of Manaus.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mato Grosso
this entity surface form:
Amazonas (Brazilian state)
this entity surface form:
Amazonas (Brazilian state)
this entity surface form:
Amazonas (Brazilian state)