Putumayo River
E357813
The Putumayo River is a major tributary of the Amazon that flows through Colombia, Peru, Ecuador, and Brazil, serving as an important natural border and transportation route in the western Amazon basin.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Putumayo River canonical | 12 |
| Putumayo River basin | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T2405559 — 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: Putumayo River Context triple: [Loreto Region, traversedByRiver, Putumayo River]
-
A.
Coco River
The Coco River is a major Central American river forming much of the border between Nicaragua and Honduras and flowing into the Caribbean Sea.
-
B.
Actopan River
The Actopan River is a freshwater river in the Mexican state of Veracruz known for its clear waters, scenic canyons, and popularity for rafting and ecotourism.
-
C.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
-
D.
Arly River
The Arly River is a mountain river in southeastern France that flows through the Savoie region before joining the Isère.
-
E.
Bayano River
The Bayano River is one of Panama’s major rivers, flowing through the eastern part of the country and feeding into the Gulf of Panama.
- 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: Putumayo River Target entity description: The Putumayo River is a major tributary of the Amazon that flows through Colombia, Peru, Ecuador, and Brazil, serving as an important natural border and transportation route in the western Amazon basin.
-
A.
Coco River
The Coco River is a major Central American river forming much of the border between Nicaragua and Honduras and flowing into the Caribbean Sea.
-
B.
Actopan River
The Actopan River is a freshwater river in the Mexican state of Veracruz known for its clear waters, scenic canyons, and popularity for rafting and ecotourism.
-
C.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
-
D.
Arly River
The Arly River is a mountain river in southeastern France that flows through the Savoie region before joining the Isère.
-
E.
Bayano River
The Bayano River is one of Panama’s major rivers, flowing through the eastern part of the country and feeding into the Gulf of Panama.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary of the Amazon River ⓘ |
| alsoKnownAs |
Içá River
ⓘ
Rio Içá ⓘ río Putumayo ⓘ
surface form:
Río Putumayo
|
| basinCountry |
Brazil
ⓘ
Colombia ⓘ Ecuador ⓘ Peru ⓘ |
| borderFunction | international boundary ⓘ |
| borderType | fluvial border ⓘ |
| continent | South America ⓘ |
| country |
Brazil
ⓘ
Colombia ⓘ Ecuador ⓘ Peru ⓘ |
| drainageBasin | Amazon Basin ⓘ |
| ecoregion | Amazon rainforest ⓘ |
| environment | tropical rainforest ⓘ |
| flowsThrough |
Brazil
ⓘ
Colombia ⓘ Ecuador ⓘ Peru ⓘ |
| formsBorderBetween |
Colombia and Brazil
ⓘ
Colombia and Peru ⓘ Peru and Brazil ⓘ |
| hasEconomicImportance |
regional trade
ⓘ
river transport ⓘ |
| hasPoliticalSignificance | international boundary in the Amazon region ⓘ |
| hasRole |
important natural border
ⓘ
important transportation corridor ⓘ |
| isPartOf |
Amazon River
ⓘ
surface form:
Amazon River system
|
| languageOfName |
Portuguese
ⓘ
Spanish ⓘ |
| locatedIn |
South America
ⓘ
Northwestern Amazonia ⓘ
surface form:
western Amazon Basin
|
| majorUse |
regional communication route
ⓘ
trade route ⓘ transportation route ⓘ |
| mouth | Amazon River ⓘ |
| mouthLocation | Brazil ⓘ |
| partOf | Amazon Basin ⓘ |
| region | western Amazon ⓘ |
| tributaryOf | Amazon 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: Putumayo River Description of subject: The Putumayo River is a major tributary of the Amazon that flows through Colombia, Peru, Ecuador, and Brazil, serving as an important natural border and transportation route in the western Amazon basin.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Loreto Region
subject surface form:
Southern Colombia
subject surface form:
Huitoto
this entity surface form:
Putumayo River basin
this entity surface form:
Putumayo River basin
this entity surface form:
Putumayo River basin
this entity surface form:
Putumayo River basin