Benin moats
E345736
The Benin moats are an extensive system of earthworks and defensive ditches surrounding the historic Kingdom of Benin, renowned as one of the largest man-made structures in precolonial Africa.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Benin earthworks | 1 |
| Benin moats canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3312456 — 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: Benin moats Context triple: [Kingdom of Benin, fortification, Benin moats]
-
A.
Nabiac
Nabiac is a small rural village in New South Wales, Australia, known for its farming community and proximity to the Wallamba River and coastal attractions.
-
B.
Benina
Benina is a town in eastern Libya that serves as the main gateway to the nearby city of Benghazi through its international airport.
-
C.
Lagos city walls
The Lagos city walls are a series of historic fortifications in the coastal town of Lagos, Portugal, built and expanded over centuries to defend the settlement from maritime attacks.
-
D.
Wele-Nzas
Wele-Nzas is a province in mainland Equatorial Guinea known for its forests, border location near Gabon and Cameroon, and the city of Mongomo.
-
E.
Rumuokoro
Rumuokoro is a bustling urban town and major commercial transport hub in Obio-Akpor, within the Port Harcourt metropolitan area of Rivers State, Nigeria.
- 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: Benin moats Target entity description: The Benin moats are an extensive system of earthworks and defensive ditches surrounding the historic Kingdom of Benin, renowned as one of the largest man-made structures in precolonial Africa.
-
A.
Nabiac
Nabiac is a small rural village in New South Wales, Australia, known for its farming community and proximity to the Wallamba River and coastal attractions.
-
B.
Benina
Benina is a town in eastern Libya that serves as the main gateway to the nearby city of Benghazi through its international airport.
-
C.
Lagos city walls
The Lagos city walls are a series of historic fortifications in the coastal town of Lagos, Portugal, built and expanded over centuries to defend the settlement from maritime attacks.
-
D.
Wele-Nzas
Wele-Nzas is a province in mainland Equatorial Guinea known for its forests, border location near Gabon and Cameroon, and the city of Mongomo.
-
E.
Rumuokoro
Rumuokoro is a bustling urban town and major commercial transport hub in Obio-Akpor, within the Port Harcourt metropolitan area of Rivers State, Nigeria.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
cultural heritage site ⓘ system of defensive earthworks ⓘ |
| alsoKnownAs |
Benin Iya
ⓘ
Benin moats ⓘ
surface form:
Benin earthworks
Benin City walls ⓘ
surface form:
Walls of Benin
|
| approximateLength | over 15,000 kilometres (historical estimates) ⓘ |
| associatedWith |
Benin City urban planning
ⓘ
Oba of Benin ⓘ |
| constructedBy |
Edo people
ⓘ
Kingdom of Benin ⓘ |
| country | Nigeria ⓘ |
| culturalSignificance |
evidence of complex precolonial urbanism
ⓘ
symbol of Benin Kingdom power ⓘ |
| currentCondition |
partially destroyed
ⓘ
partially preserved ⓘ |
| describedAs | one of the largest man-made structures in precolonial Africa ⓘ |
| encloses |
Benin City
ⓘ
surface form:
Benin City core area
surrounding rural settlements ⓘ |
| feature |
concentric earthwork rings
ⓘ
deep ditches ⓘ high inner banks ⓘ |
| hasPart |
earthen banks
ⓘ
moats ⓘ ramparts ⓘ |
| heritageStatus | on UNESCO World Heritage Tentative List ⓘ |
| locatedIn |
Benin City
ⓘ
Edo State NERFINISHED ⓘ Nigeria ⓘ |
| locatedInTimeZone |
West Africa Time (WAT)
ⓘ
surface form:
West Africa Time
|
| materialUsed |
earth
ⓘ
laterite soil ⓘ |
| partOf | cultural landscape of Benin City ⓘ |
| purpose |
control of movement and trade routes
ⓘ
defense ⓘ demarcation of territory ⓘ |
| recognizedBy | archaeologists as major engineering achievement ⓘ |
| region | West Africa ⓘ |
| significantExpansion |
13th century
ⓘ
15th century ⓘ |
| startTime | around 800 CE ⓘ |
| surrounds |
Kingdom of Benin
ⓘ
surface form:
historic Kingdom of Benin
|
| threatenedBy |
erosion
ⓘ
unregulated construction ⓘ urban expansion ⓘ |
| UNESCOTentativeListSince | 1995 ⓘ |
| usedUntil | 19th century ⓘ |
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: Benin moats Description of subject: The Benin moats are an extensive system of earthworks and defensive ditches surrounding the historic Kingdom of Benin, renowned as one of the largest man-made structures in precolonial Africa.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Benin earthworks