Geba River estuary
E639069
The Geba River estuary is a broad tidal estuary in western Guinea-Bissau that serves as a key waterway and natural harbor for the capital city, Bissau.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Geba River estuary canonical | 2 |
| Geba estuary | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7046760 — 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: Geba River estuary Context triple: [Bissau, locatedOn, Geba River estuary]
-
A.
Mamanguape River estuary
The Mamanguape River estuary is a coastal estuarine ecosystem in northeastern Brazil known for its mangrove forests, rich biodiversity, and ecological importance as a habitat for marine and bird species.
-
B.
Potengi River estuary
The Potengi River estuary is a coastal waterway in northeastern Brazil that forms the natural harbor and waterfront setting of the city of Natal in Rio Grande do Norte.
-
C.
Yar River estuary
The Yar River estuary is a coastal wetland area on the Isle of Wight known for its tidal waters, rich birdlife, and scenic natural habitats.
-
D.
Oka River estuary
The Oka River estuary is a coastal wetland in northern Spain known for its rich biodiversity, extensive tidal flats, and importance as a habitat for migratory birds.
-
E.
Imjin River estuary
The Imjin River estuary is a strategically significant tidal river mouth in Korea that forms part of the boundary between North and South Korea and flows into the Yellow Sea.
- 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: Geba River estuary Target entity description: The Geba River estuary is a broad tidal estuary in western Guinea-Bissau that serves as a key waterway and natural harbor for the capital city, Bissau.
-
A.
Mamanguape River estuary
The Mamanguape River estuary is a coastal estuarine ecosystem in northeastern Brazil known for its mangrove forests, rich biodiversity, and ecological importance as a habitat for marine and bird species.
-
B.
Potengi River estuary
The Potengi River estuary is a coastal waterway in northeastern Brazil that forms the natural harbor and waterfront setting of the city of Natal in Rio Grande do Norte.
-
C.
Yar River estuary
The Yar River estuary is a coastal wetland area on the Isle of Wight known for its tidal waters, rich birdlife, and scenic natural habitats.
-
D.
Oka River estuary
The Oka River estuary is a coastal wetland in northern Spain known for its rich biodiversity, extensive tidal flats, and importance as a habitat for migratory birds.
-
E.
Imjin River estuary
The Imjin River estuary is a strategically significant tidal river mouth in Korea that forms part of the boundary between North and South Korea and flows into the Yellow Sea.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | estuary ⓘ |
| country | Guinea-Bissau ⓘ |
| drainageBasinCountry | Guinea-Bissau ⓘ |
| emptiesInto | Atlantic Ocean ⓘ |
| hasCharacteristic |
broad
ⓘ
navigable ⓘ tidal ⓘ |
| hasEconomicImportance |
supports coastal settlements
ⓘ
supports fisheries ⓘ supports port activities of Bissau ⓘ |
| hasRole |
important transport corridor in Guinea-Bissau
ⓘ
main maritime access to Bissau ⓘ |
| influencedBy | Atlantic Ocean tides ⓘ |
| languageRegion | Portuguese-speaking country ⓘ |
| locatedIn |
West Africa
ⓘ
western Guinea-Bissau ⓘ |
| locatedOnCoastOf | Atlantic Ocean ⓘ |
| mouthOf | Geba River ⓘ |
| near | Bissau ⓘ |
| partOf |
Geba River
ⓘ
Geba–Corubal river system ⓘ |
| region | Bissau Region ⓘ |
| servesAs |
key waterway for Bissau
ⓘ
natural harbor for Bissau ⓘ |
| usedFor |
fishing
ⓘ
local trade ⓘ maritime transport ⓘ navigation ⓘ |
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: Geba River estuary Description of subject: The Geba River estuary is a broad tidal estuary in western Guinea-Bissau that serves as a key waterway and natural harbor for the capital city, Bissau.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Geba River estuary