Niger River Bridge
E402859
The Niger River Bridge is a major road bridge in southeastern Nigeria that spans the Niger River, serving as a critical transport link and commercial gateway at Onitsha.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Niger Bridge | 1 |
| Niger River Bridge canonical | 1 |
| Onitsha Niger Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3950696 — 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: Niger River Bridge Context triple: [Onitsha, hasBridge, Niger River Bridge]
-
A.
Niamey Friendship Bridge
The Niamey Friendship Bridge is a major road bridge over the Niger River in Niamey, Niger, built to improve urban connectivity and regional trade.
-
B.
Nalubaale Bridge
Nalubaale Bridge is a major road and rail bridge in Jinja, Uganda, spanning the Victoria Nile near the outlet of Lake Victoria.
-
C.
Assut de l'Or Bridge
Assut de l'Or Bridge is a striking white cable-stayed bridge in Valencia, Spain, designed by Santiago Calatrava and known for its sculptural, harp-like silhouette within the City of Arts and Sciences complex.
-
D.
El-Kantara Bridge
El-Kantara Bridge is a historic stone arch bridge in Constantine, Algeria, spanning a deep gorge and serving as one of the city’s iconic landmarks.
-
E.
Victoria Falls Bridge
The Victoria Falls Bridge is a historic steel arch bridge spanning the Zambezi River between Zambia and Zimbabwe, renowned for its dramatic views of Victoria Falls and as a popular site for adventure activities like bungee jumping.
- 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: Niger River Bridge Target entity description: The Niger River Bridge is a major road bridge in southeastern Nigeria that spans the Niger River, serving as a critical transport link and commercial gateway at Onitsha.
-
A.
Niamey Friendship Bridge
The Niamey Friendship Bridge is a major road bridge over the Niger River in Niamey, Niger, built to improve urban connectivity and regional trade.
-
B.
Nalubaale Bridge
Nalubaale Bridge is a major road and rail bridge in Jinja, Uganda, spanning the Victoria Nile near the outlet of Lake Victoria.
-
C.
Assut de l'Or Bridge
Assut de l'Or Bridge is a striking white cable-stayed bridge in Valencia, Spain, designed by Santiago Calatrava and known for its sculptural, harp-like silhouette within the City of Arts and Sciences complex.
-
D.
El-Kantara Bridge
El-Kantara Bridge is a historic stone arch bridge in Constantine, Algeria, spanning a deep gorge and serving as one of the city’s iconic landmarks.
-
E.
Victoria Falls Bridge
The Victoria Falls Bridge is a historic steel arch bridge spanning the Zambezi River between Zambia and Zimbabwe, renowned for its dramatic views of Victoria Falls and as a popular site for adventure activities like bungee jumping.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
river bridge
ⓘ
road bridge ⓘ |
| connects |
Asaba
ⓘ
Onitsha ⓘ eastern Nigeria NERFINISHED ⓘ western Nigeria ⓘ |
| country | Nigeria ⓘ |
| crosses | Niger River ⓘ |
| crossesAt | Onitsha section of the Niger River ⓘ |
| function |
commercial gateway
ⓘ
road transport link ⓘ |
| hasType | major bridge ⓘ |
| importance |
critical transport link between eastern and western Nigeria
ⓘ
major commercial route in Nigeria ⓘ |
| infrastructureType | transport infrastructure ⓘ |
| locatedIn |
Anambra State
NERFINISHED
ⓘ
Nigeria ⓘ Onitsha ⓘ |
| locatedInRegion | southeastern Nigeria NERFINISHED ⓘ |
| partOf |
Nigerian federal highway network
ⓘ
surface form:
federal highway network of Nigeria
|
| regionServed |
south-south Nigeria
ⓘ
southeast Nigeria ⓘ southwest Nigeria NERFINISHED ⓘ |
| serves |
Onitsha urban area
ⓘ
trade between southeastern and other regions of Nigeria ⓘ |
| usedFor |
goods transportation
ⓘ
passenger transportation ⓘ vehicular traffic ⓘ |
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: Niger River Bridge Description of subject: The Niger River Bridge is a major road bridge in southeastern Nigeria that spans the Niger River, serving as a critical transport link and commercial gateway at Onitsha.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Onitsha Niger Bridge
this entity surface form:
Niger Bridge