Iguazu Falls
E12477
Iguazu Falls is a vast and spectacular system of waterfalls on the Iguazu River at the border of Argentina and Brazil, renowned as one of the world’s most impressive natural wonders.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Iguazu Falls canonical | 12 |
| Iguazú Falls | 6 |
| Iguaçu Falls | 3 |
| Iguazu Falls landscape | 1 |
| Iguazú/Iguaçu Falls area | 1 |
| Iguaçu Falls (Brazilian side) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T90257 — 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: Iguazu Falls Context triple: [South America, hasMajorWaterfall, Iguazu Falls]
-
A.
Victoria Falls
Victoria Falls is one of the world’s largest and most famous waterfalls, spanning the Zambezi River between Zambia and Zimbabwe and renowned for its dramatic curtain of falling water and mist.
-
B.
Niagara Falls
Niagara Falls is a famous group of massive waterfalls on the border between the United States and Canada, renowned for their impressive volume and natural beauty.
-
C.
Angel Falls
Angel Falls is the world’s highest uninterrupted waterfall, plunging from the Auyán-tepui plateau in Venezuela.
-
D.
Vernal Fall
Vernal Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, renowned for its powerful flow and popular hiking access via the Mist Trail.
-
E.
Napo River
The Napo River is a major tributary of the Amazon River in northwestern South America, flowing from the Andes through Ecuador into Peru and supporting rich rainforest ecosystems and indigenous communities.
- 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: Iguazu Falls Target entity description: Iguazu Falls is a vast and spectacular system of waterfalls on the Iguazu River at the border of Argentina and Brazil, renowned as one of the world’s most impressive natural wonders.
-
A.
Victoria Falls
Victoria Falls is one of the world’s largest and most famous waterfalls, spanning the Zambezi River between Zambia and Zimbabwe and renowned for its dramatic curtain of falling water and mist.
-
B.
Niagara Falls
Niagara Falls is a famous group of massive waterfalls on the border between the United States and Canada, renowned for their impressive volume and natural beauty.
-
C.
Angel Falls
Angel Falls is the world’s highest uninterrupted waterfall, plunging from the Auyán-tepui plateau in Venezuela.
-
D.
Vernal Fall
Vernal Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, renowned for its powerful flow and popular hiking access via the Mist Trail.
-
E.
Napo River
The Napo River is a major tributary of the Amazon River in northwestern South America, flowing from the Andes through Ecuador into Peru and supporting rich rainforest ecosystems and indigenous communities.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
natural wonder
ⓘ
tourist attraction ⓘ waterfall gorge ⓘ waterfall system ⓘ |
| averageFlowRate | about 1500 cubic metres per second ⓘ |
| climate | subtropical ⓘ |
| comparedTo |
Niagara Falls
ⓘ
Victoria Falls ⓘ |
| country |
Argentina
ⓘ
Argentina ⓘ Argentina ⓘ Argentina ⓘ Brazil ⓘ Brazil ⓘ Brazil ⓘ Brazil ⓘ |
| etymology | name derived from Guaraní words for big water ⓘ |
| hasActivity |
boat tours
ⓘ
hiking ⓘ |
| hasPart | Devil's Throat ⓘ |
| hasViewingInfrastructure | walkways and viewing platforms ⓘ |
| hasWildlife |
butterflies
ⓘ
coatis ⓘ toucans ⓘ |
| knownFor |
Devil's Throat
ⓘ
surface form:
horseshoe-shaped gorge Devil's Throat
large number of individual falls ⓘ lush subtropical rainforest surroundings ⓘ rainbows formed by spray ⓘ |
| languageOfToponym | Guaraní ⓘ |
| locatedIn |
Misiones Province
ⓘ
Paraná state ⓘ South America ⓘ border between Argentina and Brazil ⓘ |
| locatedOn | Iguazu River ⓘ |
| maximumHeight | about 82 metres ⓘ |
| near | Ciudad del Este ⓘ |
| nearestCity |
Foz do Iguaçu
ⓘ
Puerto Iguazú ⓘ |
| numberOfDrops | approximately 275 ⓘ |
| partOf |
Atlantic Forest biome
ⓘ
Iguazu Falls self-linksurface differs ⓘ Iguazú National Park ⓘ Iguazú National Park ⓘ
surface form:
Iguaçu National Park
Paraná River ⓘ
surface form:
Paraná River basin
|
| region |
Triple Frontier
ⓘ
surface form:
Triple Frontier area
|
| totalWidth | about 2.7 kilometres ⓘ |
| touristVisitorsPerYear | over 1 million ⓘ |
| UNESCOInscriptionYear |
1984 (Argentine side)
ⓘ
1986 (Brazilian side) ⓘ |
| UNESCOWorldHeritageSite | yes ⓘ |
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: Iguazu Falls Description of subject: Iguazu Falls is a vast and spectacular system of waterfalls on the Iguazu River at the border of Argentina and Brazil, renowned as one of the world’s most impressive natural wonders.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Devil's Throat
this entity surface form:
Iguaçu Falls
this entity surface form:
Iguazu Falls landscape
this entity surface form:
Iguazú Falls
this entity surface form:
Iguazú Falls
this entity surface form:
Iguazú/Iguaçu Falls area
subject surface form:
Southern Brazil
this entity surface form:
Iguaçu Falls
this entity surface form:
Iguazú Falls
this entity surface form:
Iguazú Falls
this entity surface form:
Iguazú Falls
subject surface form:
Paraná (state)
this entity surface form:
Iguaçu Falls
this entity surface form:
Iguazú Falls