Hadejia
E360714
Hadejia is a historic commercial and agricultural town in northeastern Nigeria, known for its emirate, river basin, and role as a key urban center in Jigawa State.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Hadejia canonical | 7 |
| Hadejia River | 6 |
| Hadejia River Basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3327290 — 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: Hadejia Context triple: [Jigawa State, hasMajorTown, Hadejia]
-
A.
Dinka
Dinka is a Nilotic language spoken primarily by the Dinka people of South Sudan.
-
B.
Kainji River
Kainji River is a significant waterway in western Africa known for the Kainji Dam and its role in hydroelectric power generation and navigation.
-
C.
Ubangi-Shari
Ubangi-Shari was the French colonial territory in central Africa that later became the independent nation of the Central African Republic.
-
D.
Ilu River
The Ilu River is a waterway on Guadalcanal in the Solomon Islands that was a key geographic feature during World War II’s Guadalcanal campaign.
-
E.
Nera River
The Nera River is a central Italian waterway flowing through the regions of Umbria and Lazio before joining the Tiber River.
- 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: Hadejia Target entity description: Hadejia is a historic commercial and agricultural town in northeastern Nigeria, known for its emirate, river basin, and role as a key urban center in Jigawa State.
-
A.
Dinka
Dinka is a Nilotic language spoken primarily by the Dinka people of South Sudan.
-
B.
Kainji River
Kainji River is a significant waterway in western Africa known for the Kainji Dam and its role in hydroelectric power generation and navigation.
-
C.
Ubangi-Shari
Ubangi-Shari was the French colonial territory in central Africa that later became the independent nation of the Central African Republic.
-
D.
Ilu River
The Ilu River is a waterway on Guadalcanal in the Solomon Islands that was a key geographic feature during World War II’s Guadalcanal campaign.
-
E.
Nera River
The Nera River is a central Italian waterway flowing through the regions of Umbria and Lazio before joining the Tiber River.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
town
ⓘ
urban area ⓘ |
| administrativeDivisionOf | Jigawa State ⓘ |
| agriculturalProduct |
grains
ⓘ
rice ⓘ vegetables ⓘ |
| agroEcologicalImportance | major irrigation and farming zone in Jigawa State ⓘ |
| belongsToEthnoCulturalArea |
Hausa land
ⓘ
linked to:
Hausaland
|
| climate | semi-arid ⓘ |
| country | Nigeria ⓘ |
| economicActivity |
farming
ⓘ
fishing ⓘ trade ⓘ |
| ethnicGroup | Hausa ⓘ |
| governingSystem | traditional emirate council ⓘ |
| hasEmir | Emir of Hadejia ⓘ |
| hasMarket | central town market ⓘ |
| hasRiver |
Hadejia River
ⓘ
linked to:
Hadejia
|
| hasTraditionalInstitution |
Hadejia Emirate Council
ⓘ
linked to:
Hadejia Emirate
|
| historicalRole | center of trans-Saharan and regional trade ⓘ |
| historicalSignificance | historic Hausa emirate town ⓘ |
| isPartOf |
Hadejia Emirate
ⓘ
Hadejia Local Government Area ⓘ |
| knownFor |
Hadejia Emirate
ⓘ
Hadejia-Nguru wetlands vicinity ⓘ
linked to:
Hadejia-Nguru wetlands area
agricultural activities ⓘ historic commercial activities ⓘ |
| language |
Fulfulde
ⓘ
Hausa language ⓘ
linked to:
Hausa
|
| locatedIn |
Hadejia River Basin
ⓘ
linked to:
Hadejia
Jigawa State ⓘ |
| locatedInRegion | northeastern Nigeria ⓘ |
| locatedOn |
Hadejia River
ⓘ
linked to:
Hadejia
|
| modernAdministrativeStatus | local government headquarters ⓘ |
| nearbyFeature |
Hadejia-Nguru Wetlands
ⓘ
linked to:
Hadejia-Nguru wetlands area
|
| region |
Sudan–Sahel ecological zone
ⓘ
linked to:
Sudan savanna
|
| religion | Islam ⓘ |
| role | key urban center in Jigawa State ⓘ |
| stateCapitalOf | none ⓘ |
| timeZone |
West Africa Time
ⓘ
linked to:
West Africa Time (WAT)
|
| transportRole | regional market center ⓘ |
| utcOffset | +1 ⓘ |
| waterResource | Hadejia River Basin irrigation ⓘ |
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: Hadejia Description of subject: Hadejia is a historic commercial and agricultural town in northeastern Nigeria, known for its emirate, river basin, and role as a key urban center in Jigawa State.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hadejia
linked to: Hadejia
linked to: Hadejia
linked to: Hadejia