A1 highway (Nigeria)
E338176
The A1 highway in Nigeria is a major north–south route that links key cities and regions, including connecting Ilorin to other parts of the country.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A1 highway (Nigeria) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3209323 — 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: A1 highway (Nigeria) Context triple: [Ilorin, connectedByHighway, A1 highway (Nigeria)]
-
A.
Abuja–Kaduna expressway
The Abuja–Kaduna expressway is a major Nigerian highway linking the capital city Abuja with Kaduna, serving as a key transport corridor in the country’s north-central region.
-
B.
Lagos–Ibadan Expressway corridor
The Lagos–Ibadan Expressway corridor is a major Nigerian transportation artery linking Lagos to Ibadan and serving as a critical economic and commuter route in the southwest region.
-
C.
Lagos–Badagry Expressway
The Lagos–Badagry Expressway is a major international highway in southwestern Nigeria that connects Lagos to the border town of Seme and onward to Benin, serving as a key trade and transport corridor in West Africa.
-
D.
Lekki–Epe Expressway
The Lekki–Epe Expressway is a major arterial highway in Lagos State, Nigeria, connecting the Lekki Peninsula to Epe and serving as a key route for commuters and regional development.
-
E.
Gateway to Abuja
Gateway to Abuja is a popular nickname for Zuma Rock, a prominent monolithic inselberg that visually marks the main northern entrance into Nigeria’s capital city, Abuja.
- 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: A1 highway (Nigeria) Target entity description: The A1 highway in Nigeria is a major north–south route that links key cities and regions, including connecting Ilorin to other parts of the country.
-
A.
Abuja–Kaduna expressway
The Abuja–Kaduna expressway is a major Nigerian highway linking the capital city Abuja with Kaduna, serving as a key transport corridor in the country’s north-central region.
-
B.
Lagos–Ibadan Expressway corridor
The Lagos–Ibadan Expressway corridor is a major Nigerian transportation artery linking Lagos to Ibadan and serving as a critical economic and commuter route in the southwest region.
-
C.
Lagos–Badagry Expressway
The Lagos–Badagry Expressway is a major international highway in southwestern Nigeria that connects Lagos to the border town of Seme and onward to Benin, serving as a key trade and transport corridor in West Africa.
-
D.
Lekki–Epe Expressway
The Lekki–Epe Expressway is a major arterial highway in Lagos State, Nigeria, connecting the Lekki Peninsula to Epe and serving as a key route for commuters and regional development.
-
E.
Gateway to Abuja
Gateway to Abuja is a popular nickname for Zuma Rock, a prominent monolithic inselberg that visually marks the main northern entrance into Nigeria’s capital city, Abuja.
- F. None of above. chosen
Statements (21)
| Predicate | Object |
|---|---|
| instanceOf |
highway
ⓘ
road in Nigeria ⓘ |
| connects |
Ilorin
ⓘ
northern Nigeria NERFINISHED ⓘ southern Nigeria NERFINISHED ⓘ |
| continent | Africa ⓘ |
| country | Nigeria ⓘ |
| direction | north–south ⓘ |
| hasFunction |
intercity road link
ⓘ
major transport corridor ⓘ |
| locatedIn | Nigeria ⓘ |
| locatedInAdministrativeTerritory | Kwara State NERFINISHED ⓘ |
| maintainedBy |
Government of Nigeria
ⓘ
surface form:
Federal Government of Nigeria
Federal Ministry of Works and Housing (Nigeria) ⓘ
surface form:
Federal Ministry of Works (Nigeria)
|
| partOf | Nigerian federal highway network ⓘ |
| passesThrough | Ilorin ⓘ |
| roadSystem |
Nigerian federal highway network
ⓘ
surface form:
Nigerian A-class highway system
|
| roadType | A-class highway ⓘ |
| usedFor |
movement of goods
ⓘ
passenger travel ⓘ road transport ⓘ |
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: A1 highway (Nigeria) Description of subject: The A1 highway in Nigeria is a major north–south route that links key cities and regions, including connecting Ilorin to other parts of the country.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.