Lagoon of Porto-Novo
E663915
The Lagoon of Porto-Novo is a coastal lagoon in southern Benin that borders the capital city Porto-Novo and forms part of the region’s important inland waterway and wetland ecosystem.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lagoon of Porto-Novo canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7415229 — 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: Lagoon of Porto-Novo Context triple: [Porto-Novo, locatedOn, Lagoon of Porto-Novo]
-
A.
Lagoon of Cotonou
The Lagoon of Cotonou is a coastal waterway in southern Benin that separates parts of the city of Cotonou from the Atlantic Ocean and serves as an important ecological and economic zone.
-
B.
Grand Lagoon
Grand Lagoon is a scenic inlet and recreational waterway within the St. Andrews Bay system in the Florida Panhandle, popular for boating, fishing, and waterfront activities.
-
C.
Ébrié Lagoon
Ébrié Lagoon is a large coastal lagoon in southern Côte d'Ivoire that forms the aquatic backdrop to Abidjan and serves as a key hub for fishing, transport, and urban life.
-
D.
Lagos Lagoon
Lagos Lagoon is a large coastal lagoon in southwestern Nigeria that forms part of the Lagos harbor system and plays a central role in the region’s transportation, commerce, and ecology.
-
E.
Étang de l’Or
Étang de l’Or is a coastal lagoon in southern France near Montpellier, known for its wetlands, biodiversity, and traditional fishing activities.
- 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: Lagoon of Porto-Novo Target entity description: The Lagoon of Porto-Novo is a coastal lagoon in southern Benin that borders the capital city Porto-Novo and forms part of the region’s important inland waterway and wetland ecosystem.
-
A.
Lagoon of Cotonou
The Lagoon of Cotonou is a coastal waterway in southern Benin that separates parts of the city of Cotonou from the Atlantic Ocean and serves as an important ecological and economic zone.
-
B.
Grand Lagoon
Grand Lagoon is a scenic inlet and recreational waterway within the St. Andrews Bay system in the Florida Panhandle, popular for boating, fishing, and waterfront activities.
-
C.
Ébrié Lagoon
Ébrié Lagoon is a large coastal lagoon in southern Côte d'Ivoire that forms the aquatic backdrop to Abidjan and serves as a key hub for fishing, transport, and urban life.
-
D.
Lagos Lagoon
Lagos Lagoon is a large coastal lagoon in southwestern Nigeria that forms part of the Lagos harbor system and plays a central role in the region’s transportation, commerce, and ecology.
-
E.
Étang de l’Or
Étang de l’Or is a coastal lagoon in southern France near Montpellier, known for its wetlands, biodiversity, and traditional fishing activities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
coastal lagoon
ⓘ
lagoon ⓘ |
| adjacentTo | urban areas of Porto-Novo ⓘ |
| borders | Porto-Novo ⓘ |
| connectedTo |
Nokoué Lake system
ⓘ
Ouémé River system ⓘ
linked to:
Ouémé River
inland waterways of Benin ⓘ |
| continent | Africa ⓘ |
| country | Benin ⓘ |
| environmentalIssue |
pollution risk from urban runoff
ⓘ
pressure from overfishing ⓘ wetland degradation risk ⓘ |
| hasEcologicalRole |
habitat for aquatic species
ⓘ
nursery area for fish ⓘ supports waterbirds ⓘ |
| hasShorelineUse |
agriculture
ⓘ
settlements ⓘ transport infrastructure ⓘ |
| hydrologicalType | brackish water body ⓘ |
| locatedIn |
Guinean forest–savanna mosaic ecoregion
ⓘ
linked to:
Guinean forest–savanna mosaic
Porto-Novo Department ⓘ
linked to:
Atlantique Department
southern Benin ⓘ |
| partOf |
Guinean Gulf coastal lagoon system
ⓘ
linked to:
Guinean mangroves
West African coastal wetlands ⓘ
linked to:
Guinean mangroves
regional inland waterway network ⓘ regional wetland ecosystem ⓘ |
| usedFor |
inland navigation
ⓘ
local livelihoods ⓘ small-scale fishing ⓘ transportation ⓘ |
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: Lagoon of Porto-Novo Description of subject: The Lagoon of Porto-Novo is a coastal lagoon in southern Benin that borders the capital city Porto-Novo and forms part of the region’s important inland waterway and wetland ecosystem.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.