Enugu–Onitsha Expressway
E1014362
The Enugu–Onitsha Expressway is a major highway in southeastern Nigeria that links the cities of Enugu and Onitsha, serving as a key route for regional commerce and travel.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Enugu–Onitsha Expressway canonical | 4 |
| Onitsha–Enugu expressway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12963149 — 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: Enugu–Onitsha Expressway Context triple: [Awka, roadConnection, Enugu–Onitsha Expressway]
-
A.
Enugu–Port Harcourt Expressway
The Enugu–Port Harcourt Expressway is a major Nigerian highway connecting the southeastern city of Enugu with the oil hub of Port Harcourt, facilitating regional trade and transportation across several states.
-
B.
Warri–Port Harcourt Highway
The Warri–Port Harcourt Highway is a major arterial roadway in southern Nigeria that connects the oil-rich cities of Warri and Port Harcourt, serving as a key transport corridor for people and petroleum-related commerce in the Niger Delta region.
-
C.
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.
-
D.
Orlu–Onitsha road
The Orlu–Onitsha road is a key regional highway in southeastern Nigeria that links the town of Orlu with the major commercial city of Onitsha, facilitating trade and daily travel.
-
E.
Lagos–Abeokuta Expressway
The Lagos–Abeokuta Expressway is a major highway in southwestern Nigeria that connects the city of Lagos with Abeokuta, facilitating significant commuter and commercial traffic between the two urban centers.
- 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: Enugu–Onitsha Expressway Target entity description: The Enugu–Onitsha Expressway is a major highway in southeastern Nigeria that links the cities of Enugu and Onitsha, serving as a key route for regional commerce and travel.
-
A.
Enugu–Port Harcourt Expressway
The Enugu–Port Harcourt Expressway is a major Nigerian highway connecting the southeastern city of Enugu with the oil hub of Port Harcourt, facilitating regional trade and transportation across several states.
-
B.
Warri–Port Harcourt Highway
The Warri–Port Harcourt Highway is a major arterial roadway in southern Nigeria that connects the oil-rich cities of Warri and Port Harcourt, serving as a key transport corridor for people and petroleum-related commerce in the Niger Delta region.
-
C.
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.
-
D.
Orlu–Onitsha road
The Orlu–Onitsha road is a key regional highway in southeastern Nigeria that links the town of Orlu with the major commercial city of Onitsha, facilitating trade and daily travel.
-
E.
Lagos–Abeokuta Expressway
The Lagos–Abeokuta Expressway is a major highway in southwestern Nigeria that connects the city of Lagos with Abeokuta, facilitating significant commuter and commercial traffic between the two urban centers.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
highway
ⓘ
road transport infrastructure ⓘ |
| connectsCity |
Enugu
ⓘ
Onitsha ⓘ |
| country | Nigeria ⓘ |
| function |
intercity travel route
ⓘ
regional commerce route ⓘ |
| geographicDirection | east–west ⓘ |
| hasEconomicRole |
facilitates trade between Enugu and Onitsha
ⓘ
supports regional market access ⓘ |
| importance | major transport corridor in southeastern Nigeria ⓘ |
| languageOfName | English ⓘ |
| locatedIn |
southeastern Nigeria
ⓘ
linked to:
Southeastern Nigeria
|
| namedAfter |
Enugu
ⓘ
Onitsha ⓘ |
| partOf | Nigerian federal highway network ⓘ |
| passesThrough |
rural areas
ⓘ
urban areas ⓘ |
| regionServed |
South East Nigeria
ⓘ
linked to:
Southeastern Nigeria
|
| roadType | expressway ⓘ |
| servesCity |
Enugu
ⓘ
Onitsha ⓘ |
| stateTraversed |
Anambra State
ⓘ
Enugu State ⓘ |
| terminus |
Enugu
ⓘ
Onitsha ⓘ |
| usedBy |
commercial vehicles
ⓘ
private vehicles ⓘ public transport buses ⓘ |
| usedFor |
movement of goods
ⓘ
passenger 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: Enugu–Onitsha Expressway Description of subject: The Enugu–Onitsha Expressway is a major highway in southeastern Nigeria that links the cities of Enugu and Onitsha, serving as a key route for regional commerce and travel.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Enugu–Onitsha Expressway