Black Volta River
E586963
The Black Volta River is a major West African river that forms part of the border between Ghana and its neighbors and contributes significantly to the Volta River system and Lake Volta.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Black Volta River canonical | 1 |
| Red Volta | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6177977 — 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: Black Volta River Context triple: [Northern Region, hasNaturalFeature, Black Volta River]
-
A.
Volta River
The Volta River is a major river system in West Africa that flows primarily through Ghana, where it feeds Lake Volta, one of the world’s largest artificial reservoirs.
-
B.
Kalu River
The Kalu River is one of Sri Lanka’s major rivers, flowing southwest from the island’s central highlands to the Indian Ocean and playing a key role in regional agriculture, ecology, and flood control.
-
C.
Benue River
The Benue River is a major West African waterway and the largest tributary of the Niger River, flowing through Cameroon and Nigeria and serving as an important route for transport, agriculture, and fishing.
-
D.
Aba River
The Aba River is a waterway in southeastern Nigeria that flows through the city of Aba and serves as an important local natural and economic resource.
-
E.
Ogun River
Ogun River is a major river in southwestern Nigeria that flows southward through several states into the Lagos Lagoon, playing an important role in regional agriculture, transportation, and water supply.
- 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: Black Volta River Target entity description: The Black Volta River is a major West African river that forms part of the border between Ghana and its neighbors and contributes significantly to the Volta River system and Lake Volta.
-
A.
Volta River
The Volta River is a major river system in West Africa that flows primarily through Ghana, where it feeds Lake Volta, one of the world’s largest artificial reservoirs.
-
B.
Kalu River
The Kalu River is one of Sri Lanka’s major rivers, flowing southwest from the island’s central highlands to the Indian Ocean and playing a key role in regional agriculture, ecology, and flood control.
-
C.
Benue River
The Benue River is a major West African waterway and the largest tributary of the Niger River, flowing through Cameroon and Nigeria and serving as an important route for transport, agriculture, and fishing.
-
D.
Aba River
The Aba River is a waterway in southeastern Nigeria that flows through the city of Aba and serves as an important local natural and economic resource.
-
E.
Ogun River
Ogun River is a major river in southwestern Nigeria that flows southward through several states into the Lagos Lagoon, playing an important role in regional agriculture, transportation, and water supply.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs |
Mouhoun
NERFINISHED
ⓘ
Mouhoun River NERFINISHED ⓘ |
| basinCountry |
Burkina Faso
NERFINISHED
ⓘ
Côte d’Ivoire NERFINISHED ⓘ Ghana NERFINISHED ⓘ Mali NERFINISHED ⓘ |
| borderFunction |
forms part of the eastern border of Côte d’Ivoire
ⓘ
forms part of the southern border of Burkina Faso ⓘ forms part of the western border of Ghana ⓘ |
| continent | Africa ⓘ |
| contributesTo | Lake Volta NERFINISHED ⓘ |
| country |
Burkina Faso
NERFINISHED
ⓘ
Côte d’Ivoire NERFINISHED ⓘ Ghana ⓘ |
| flowsAlongBorderOf |
Burkina Faso
NERFINISHED
ⓘ
Côte d’Ivoire NERFINISHED ⓘ Ghana NERFINISHED ⓘ |
| flowsThrough |
Burkina Faso
NERFINISHED
ⓘ
Ghana NERFINISHED ⓘ |
| formsBorderBetween |
Burkina Faso
NERFINISHED
ⓘ
Côte d’Ivoire NERFINISHED ⓘ Ghana NERFINISHED ⓘ |
| hasHydrologicalRole | major tributary feeding Lake Volta ⓘ |
| locatedIn | West Africa NERFINISHED ⓘ |
| mouth | Volta River NERFINISHED ⓘ |
| partOf |
Volta River basin
NERFINISHED
ⓘ
Volta River system NERFINISHED ⓘ |
| region |
Northern Ghana
NERFINISHED
ⓘ
Upper West Region of Ghana NERFINISHED ⓘ |
| tributaryOf | Volta River NERFINISHED ⓘ |
| usedFor |
fishing
ⓘ
irrigation ⓘ transportation ⓘ |
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: Black Volta River Description of subject: The Black Volta River is a major West African river that forms part of the border between Ghana and its neighbors and contributes significantly to the Volta River system and Lake Volta.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Red Volta