Amazon River at Iquitos
E856010
The Amazon River at Iquitos is a major stretch of the Amazon in northeastern Peru where several tributaries converge near the city of Iquitos, forming a broad, navigable waterway deep within the Amazon rainforest.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amazon River at Iquitos canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10296348 — 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: Amazon River at Iquitos Context triple: [Nanay River, flowsInto, Amazon River at Iquitos]
-
A.
Solimões stretch of the Amazon River
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.
-
B.
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.
-
C.
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.
-
D.
Arauca River
The Arauca River is a significant waterway in northern South America that forms part of the border between Colombia and Venezuela and feeds into the Orinoco River basin.
-
E.
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.
- 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: Amazon River at Iquitos Target entity description: The Amazon River at Iquitos is a major stretch of the Amazon in northeastern Peru where several tributaries converge near the city of Iquitos, forming a broad, navigable waterway deep within the Amazon rainforest.
-
A.
Solimões stretch of the Amazon River
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.
-
B.
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.
-
C.
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.
-
D.
Arauca River
The Arauca River is a significant waterway in northern South America that forms part of the border between Colombia and Venezuela and feeds into the Orinoco River basin.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
river reach ⓘ |
| adjacentLandUse |
riverine villages
ⓘ
urban riverfront ⓘ |
| adjacentSettlement | Iquitos ⓘ |
| approximateElevation | lowland ⓘ |
| climate | equatorial ⓘ |
| continent | South America ⓘ |
| country | Peru ⓘ |
| economicImportance |
supports fishing industry
ⓘ
supports river tourism industry ⓘ vital for local economy of Iquitos ⓘ |
| ecosystemType | tropical freshwater river ⓘ |
| environmentalConcern |
pressure on aquatic ecosystems
ⓘ
risk of pollution from urban activities ⓘ |
| flowsThrough |
Loreto Region
ⓘ
linked to:
Loreto Region of Peru
|
| hasBiodiversity |
high aquatic biodiversity
ⓘ
high riparian biodiversity ⓘ |
| hydrologicalContext | convergence zone of several tributaries ⓘ |
| locatedIn |
Amazon rainforest
ⓘ
Loreto Region ⓘ
linked to:
Loreto Region of Peru
Peru ⓘ |
| locatedNear | Iquitos ⓘ |
| navigableFor |
cargo ships
ⓘ
large river vessels ⓘ passenger boats ⓘ |
| nearbyInfrastructure |
Iquitos river ports
ⓘ
linked to:
Iquitos
riverfront docks of Iquitos ⓘ |
| nearbyPortCity | Iquitos ⓘ |
| partOf | Amazon River ⓘ |
| region | northeastern Peru ⓘ |
| riverBasin | Amazon Basin ⓘ |
| role |
access route to remote Amazon communities
ⓘ
major transportation corridor for Iquitos ⓘ |
| tourismActivity |
Amazon river cruises
ⓘ
sport fishing tours ⓘ wildlife watching boat tours ⓘ |
| transportMode |
boat transport
ⓘ
river ferries ⓘ |
| tributaryConfluenceWith |
Itaya River
ⓘ
Marañón River ⓘ Nanay River ⓘ Ucayali River ⓘ |
| usedFor |
fishing
ⓘ
regional trade ⓘ river transport ⓘ tourism ⓘ |
| waterwayType | broad navigable waterway ⓘ |
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: Amazon River at Iquitos Description of subject: The Amazon River at Iquitos is a major stretch of the Amazon in northeastern Peru where several tributaries converge near the city of Iquitos, forming a broad, navigable waterway deep within the Amazon rainforest.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.