Ibadan
E13039
Ibadan is one of the largest and most populous cities in southwestern Nigeria, historically significant as a major Yoruba cultural and economic center.
All labels observed (10)
| Label | Occurrences |
|---|---|
| Ibadan canonical | 104 |
| Ibadan metropolis | 3 |
| Ibadan metropolitan area | 3 |
| Ibadan city centre | 2 |
| Ibadan Metropolis | 1 |
| Ibadan central area | 1 |
| Ibadan city | 1 |
| Ibadan city center | 1 |
| Ibadan municipal area | 1 |
| Ibadan, Nigeria | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T101584 — 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: Ibadan Context triple: [Nigeria, containsCity, Ibadan]
-
A.
Lagos
Lagos is a major coastal megacity in southwestern Nigeria, known as the country’s economic hub and one of Africa’s most populous and vibrant urban centers.
-
B.
Abuja
Abuja is a planned city in central Nigeria that serves as the country’s political and administrative center.
-
C.
Port Harcourt
Port Harcourt is a major oil and industrial city in southern Nigeria and the capital of Rivers State.
-
D.
Nairobi
Nairobi is the capital and largest city of Kenya, serving as a major political, economic, and cultural hub in East Africa.
-
E.
Luanda
Luanda is the capital and largest city of Angola, a major Atlantic port and economic hub with a history shaped by Portuguese colonial rule and the transatlantic slave trade.
- 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: Ibadan Target entity description: Ibadan is one of the largest and most populous cities in southwestern Nigeria, historically significant as a major Yoruba cultural and economic center.
-
A.
Lagos
Lagos is a major coastal megacity in southwestern Nigeria, known as the country’s economic hub and one of Africa’s most populous and vibrant urban centers.
-
B.
Abuja
Abuja is a planned city in central Nigeria that serves as the country’s political and administrative center.
-
C.
Port Harcourt
Port Harcourt is a major oil and industrial city in southern Nigeria and the capital of Rivers State.
-
D.
Nairobi
Nairobi is the capital and largest city of Kenya, serving as a major political, economic, and cultural hub in East Africa.
-
E.
Luanda
Luanda is the capital and largest city of Angola, a major Atlantic port and economic hub with a history shaped by Portuguese colonial rule and the transatlantic slave trade.
- F. None of above. chosen
Statements (50)
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: Ibadan Description of subject: Ibadan is one of the largest and most populous cities in southwestern Nigeria, historically significant as a major Yoruba cultural and economic center.
Referenced by (118)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mapo Hall
this entity surface form:
Ibadan central area
this entity surface form:
Ibadan metropolis
subject surface form:
Indy Hall, University of Ibadan