Mékrou River
E203547
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mékrou | 1 |
| Mékrou River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1272345 — 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: Mékrou River Context triple: [Niger River, majorTributary, Mékrou River]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Gongola River
The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
-
E.
Sanaga River
The Sanaga River is the longest river in Cameroon, flowing from the central highlands to the Atlantic Ocean and serving as a major source of hydroelectric power and water resources for the country.
- 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: Mékrou River Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Gongola River
The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
-
E.
Sanaga River
The Sanaga River is the longest river in Cameroon, flowing from the central highlands to the Atlantic Ocean and serving as a major source of hydroelectric power and water resources for the country.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs |
Mekrou River
ⓘ
Mékrou River ⓘ
surface form:
Mékrou
|
| basinCountry |
Benin
ⓘ
Burkina Faso ⓘ Niger ⓘ |
| borderFunction | international boundary river ⓘ |
| continent | Africa ⓘ |
| country |
Benin
ⓘ
Burkina Faso ⓘ Niger ⓘ |
| environmentalIssue |
risk of drought-related low flows
ⓘ
seasonal flow variability ⓘ |
| flowsThrough |
Benin
ⓘ
Burkina Faso ⓘ Niger ⓘ |
| formsBorderBetween |
Benin and Burkina Faso
ⓘ
Benin and Niger ⓘ Burkina Faso and Niger ⓘ |
| hydrologicalSystem |
Niger River
ⓘ
surface form:
Niger River system
|
| languageOfName | French ⓘ |
| locatedIn | West Africa ⓘ |
| locatedInProtectedArea | W National Park region ⓘ |
| mouth | Niger River ⓘ |
| partOf |
Niger River
ⓘ
surface form:
Niger River basin
|
| region |
Sahel
ⓘ
surface form:
Sahel region
|
| tributaryOf | Niger River ⓘ |
| usedFor |
fishing
ⓘ
livestock watering ⓘ local agriculture ⓘ |
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: Mékrou River Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mékrou