São Francisco Basin
E805711
The São Francisco Basin is a major river basin in eastern Brazil, known for its extensive freshwater ecosystems and high biodiversity, including many endemic fish species.
All labels observed (1)
| Label | Occurrences |
|---|---|
| São Francisco Basin canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9541544 — 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 Basin Context triple: [Pimelodidae, distributionRegion, São Francisco Basin]
-
A.
Sepulveda Basin
Sepulveda Basin is a large flood-control and recreation area in the San Fernando Valley region of Los Angeles, featuring parks, wildlife habitats, and sports facilities.
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B.
Estancia Basin
Estancia Basin is a closed, high-desert drainage basin in central New Mexico known for its playa lakes, saline flats, and role in regional groundwater and agricultural systems.
-
C.
Colombian Basin
The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
-
D.
Raton Basin
Raton Basin is a geologic structural basin spanning southern Colorado and northern New Mexico, known for its coal, coalbed methane resources, and distinctive sedimentary rock formations.
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E.
Socorro Basin
Socorro Basin is a geologic depression in central New Mexico that forms part of the Rio Grande Rift and hosts significant sedimentary deposits and geothermal activity.
- 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 Basin Target entity description: The São Francisco Basin is a major river basin in eastern Brazil, known for its extensive freshwater ecosystems and high biodiversity, including many endemic fish species.
-
A.
Sepulveda Basin
Sepulveda Basin is a large flood-control and recreation area in the San Fernando Valley region of Los Angeles, featuring parks, wildlife habitats, and sports facilities.
-
B.
Estancia Basin
Estancia Basin is a closed, high-desert drainage basin in central New Mexico known for its playa lakes, saline flats, and role in regional groundwater and agricultural systems.
-
C.
Colombian Basin
The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
-
D.
Raton Basin
Raton Basin is a geologic structural basin spanning southern Colorado and northern New Mexico, known for its coal, coalbed methane resources, and distinctive sedimentary rock formations.
-
E.
Socorro Basin
Socorro Basin is a geologic depression in central New Mexico that forms part of the Rio Grande Rift and hosts significant sedimentary deposits and geothermal activity.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ |
| biome |
Atlantic Forest
ⓘ
linked to:
Atlantic Forest biome
Caatinga ⓘ
linked to:
Brazilian semi-arid region
Cerrado ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainedBy | São Francisco River ⓘ |
| flowsThrough |
Alagoas
ⓘ
Bahia ⓘ Minas Gerais ⓘ Pernambuco ⓘ Sergipe ⓘ |
| hasBiodiversityLevel | high biodiversity ⓘ |
| hasCharacteristic |
contains many endemic fish species
ⓘ
important for freshwater supply ⓘ important for hydroelectric generation ⓘ important for irrigation ⓘ important for regional fisheries ⓘ supports extensive aquatic habitats ⓘ supports riparian vegetation ⓘ |
| hasConservationImportance |
important for conservation of endemic fish species
ⓘ
key area for freshwater biodiversity conservation ⓘ |
| hasEcosystemType |
floodplain ecosystem
ⓘ
freshwater ecosystem ⓘ riverine ecosystem ⓘ |
| hasEndemism |
endemic aquatic invertebrates
ⓘ
endemic freshwater fish ⓘ |
| hasRiver |
Carinhanha River
ⓘ
Paracatu River ⓘ Paraopeba River ⓘ São Francisco River ⓘ Velhas River ⓘ Verde Grande River ⓘ |
| locatedIn |
Brazilian Midwest
ⓘ
Brazilian Northeast ⓘ
linked to:
Northeast Region of Brazil
Brazilian Southeast ⓘ eastern Brazil ⓘ |
| partOf |
São Francisco River system
ⓘ
linked to:
São Francisco River Basin
|
| threat |
dams
ⓘ
deforestation ⓘ overfishing ⓘ water abstraction ⓘ water pollution ⓘ |
| usedFor |
domestic water supply
ⓘ
hydroelectric power generation ⓘ industrial water supply ⓘ irrigated agriculture ⓘ navigation ⓘ |
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 Basin Description of subject: The São Francisco Basin is a major river basin in eastern Brazil, known for its extensive freshwater ecosystems and high biodiversity, including many endemic fish species.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.