São Francisco River mouth
E140317
The São Francisco River mouth is the coastal outlet where Brazil’s São Francisco River empties into the Atlantic Ocean, forming an important estuarine and ecological zone in northeastern Brazil.
All labels observed (1)
| Label | Occurrences |
|---|---|
| São Francisco River mouth canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1222778 — 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: São Francisco River mouth Context triple: [Alagoas, contains, São Francisco River mouth]
-
A.
Santa Catarina River
The Santa Catarina River is a seasonal river in northeastern Mexico that runs through the city of Monterrey and is known for its dramatic floods and role in shaping the urban landscape.
-
B.
Madeira River
The Madeira River is one of the largest and most significant rivers in South America, flowing through Bolivia and Brazil and playing a key role in the Amazon Basin’s ecology, transport, and hydroelectric power generation.
-
C.
Atrato River delta
The Atrato River delta is a vast, low-lying wetland and estuarine region on Colombia’s Caribbean coast, known for its rich biodiversity and complex network of river channels and mangroves.
-
D.
Amazon River mouth
The Amazon River mouth is the vast estuarine region on the northeastern coast of South America where the Amazon River empties into the Atlantic Ocean, forming one of the largest river mouths in the world.
-
E.
Caicó
Caicó is a municipality in the interior of Rio Grande do Norte, Brazil, known for its strong cultural traditions, especially its famous religious festivals and regional cuisine.
- 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: São Francisco River mouth Target entity description: The São Francisco River mouth is the coastal outlet where Brazil’s São Francisco River empties into the Atlantic Ocean, forming an important estuarine and ecological zone in northeastern Brazil.
-
A.
Santa Catarina River
The Santa Catarina River is a seasonal river in northeastern Mexico that runs through the city of Monterrey and is known for its dramatic floods and role in shaping the urban landscape.
-
B.
Madeira River
The Madeira River is one of the largest and most significant rivers in South America, flowing through Bolivia and Brazil and playing a key role in the Amazon Basin’s ecology, transport, and hydroelectric power generation.
-
C.
Atrato River delta
The Atrato River delta is a vast, low-lying wetland and estuarine region on Colombia’s Caribbean coast, known for its rich biodiversity and complex network of river channels and mangroves.
-
D.
Amazon River mouth
The Amazon River mouth is the vast estuarine region on the northeastern coast of South America where the Amazon River empties into the Atlantic Ocean, forming one of the largest river mouths in the world.
-
E.
Caicó
Caicó is a municipality in the interior of Rio Grande do Norte, Brazil, known for its strong cultural traditions, especially its famous religious festivals and regional cuisine.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
estuary
ⓘ
river mouth ⓘ |
| coastType | low-lying sandy coast ⓘ |
| country | Brazil ⓘ |
| emptiesInto | Atlantic Ocean ⓘ |
| formsBorderBetween |
Alagoas
ⓘ
Sergipe ⓘ |
| hasBiodiversity |
crustacean species
ⓘ
high fish diversity ⓘ mollusk species ⓘ |
| hasClimate | tropical climate ⓘ |
| hasEcosystemType |
coastal lagoon system
ⓘ
estuarine ecosystem ⓘ mangrove ecosystem ⓘ |
| hasEnvironmentalIssue |
coastal erosion
ⓘ
mangrove degradation ⓘ pollution from upstream sources ⓘ salinity intrusion ⓘ sediment reduction due to upstream dams ⓘ |
| hasHabitat |
mangroves
ⓘ
sand dunes ⓘ sandbars ⓘ seagrass beds ⓘ tidal flats ⓘ |
| hasLandUse |
small-scale agriculture in surrounding areas
ⓘ
tourist infrastructure in surrounding areas ⓘ |
| hasProcess |
deltaic bar formation
ⓘ
sediment deposition ⓘ tidal mixing of fresh and salt water ⓘ |
| isImportantFor |
fish spawning grounds
ⓘ
local fishing communities ⓘ migratory birds ⓘ nursery areas for marine species ⓘ |
| locatedIn |
Northeast Region of Brazil
ⓘ
surface form:
Northeastern Brazil
|
| locatedInState |
Alagoas
ⓘ
Sergipe ⓘ |
| locatedOnCoastOf | Brazilian Atlantic coast ⓘ |
| mouthOf | São Francisco River ⓘ |
| nearCity |
Brejo Grande
ⓘ
Penedo ⓘ Piaçabuçu ⓘ |
| partOf |
São Francisco River
ⓘ
surface form:
São Francisco River basin
Western South Atlantic marine ecoregion ⓘ |
| usedFor |
aquaculture
ⓘ
artisanal fishing ⓘ navigation ⓘ tourism ⓘ |
| waterType | brackish water ⓘ |
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: São Francisco River mouth Description of subject: The São Francisco River mouth is the coastal outlet where Brazil’s São Francisco River empties into the Atlantic Ocean, forming an important estuarine and ecological zone in northeastern Brazil.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.