Ouémé River
E365208
The Ouémé River is a major waterway in Benin that flows southward into the Atlantic Ocean, playing a key role in the country’s ecology, agriculture, and transport.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ouémé River canonical | 3 |
| Benin River | 1 |
| Ouémé River system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3406743 — 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: Ouémé River Context triple: [Cotonou, nearRiver, Ouémé River]
-
A.
Mékrou River
The Mékrou River is a West African waterway that flows through Benin, Burkina Faso, and Niger, helping form part of the borders between these countries and contributing significantly to the Niger River basin.
-
B.
Ogooué River
The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
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C.
Wouri River
The Wouri River is a major waterway in southwestern Cameroon that flows into the Gulf of Guinea and hosts the important port city of Douala along its estuary.
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D.
Logone River
The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
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E.
Bafing River
The Bafing River is a significant West African river that rises in the Fouta Djallon highlands of Guinea and flows through Mali, playing a key role in the hydrology and development of the Senegal River basin.
- 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: Ouémé River Target entity description: The Ouémé River is a major waterway in Benin that flows southward into the Atlantic Ocean, playing a key role in the country’s ecology, agriculture, and transport.
-
A.
Mékrou River
The Mékrou River is a West African waterway that flows through Benin, Burkina Faso, and Niger, helping form part of the borders between these countries and contributing significantly to the Niger River basin.
-
B.
Ogooué River
The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
-
C.
Wouri River
The Wouri River is a major waterway in southwestern Cameroon that flows into the Gulf of Guinea and hosts the important port city of Douala along its estuary.
-
D.
Logone River
The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
-
E.
Bafing River
The Bafing River is a significant West African river that rises in the Fouta Djallon highlands of Guinea and flows through Mali, playing a key role in the hydrology and development of the Senegal River basin.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| continent | Africa ⓘ |
| country | Benin ⓘ |
| directionOfFlow | southward ⓘ |
| drainageBasinLocatedIn | Benin ⓘ |
| emptiesNear | Gulf of Guinea ⓘ |
| flowsInto | Atlantic Ocean ⓘ |
| flowsThrough | Benin ⓘ |
| hasBasinCountry | Benin ⓘ |
| hasCulturalImportanceFor | Benin ⓘ |
| hasEconomicImportanceFor | Benin ⓘ |
| hasEnvironmentalImportanceFor | Benin ⓘ |
| hasRole |
agricultural importance in Benin
ⓘ
ecological importance in Benin ⓘ transport importance in Benin ⓘ |
| influences |
local agriculture in its basin
ⓘ
riverine ecosystems in Benin ⓘ wetlands in southern Benin ⓘ |
| isNavigableInSections | true ⓘ |
| locatedIn |
West Africa
ⓘ
tropical climate zone ⓘ |
| majorWaterwayOf | Benin ⓘ |
| mouthLocatedIn | Atlantic Ocean ⓘ |
| partOf | Benin river system ⓘ |
| supports | riparian communities in Benin ⓘ |
| typeOfWaterBody | freshwater river ⓘ |
| usedFor |
fishing
ⓘ
inland transport ⓘ irrigation ⓘ |
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: Ouémé River Description of subject: The Ouémé River is a major waterway in Benin that flows southward into the Atlantic Ocean, playing a key role in the country’s ecology, agriculture, and transport.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ouémé River