Fort San Sebastian
E281383
Fort San Sebastian is a historic coastal fortress in present-day Ghana, built by the Portuguese in the 16th century and later used by European powers as part of the West African gold and slave trade.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort San Sebastian canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2558237 — 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: Fort San Sebastian Context triple: [Dutch Gold Coast, majorFort, Fort San Sebastian]
-
A.
Fort San Pedro
Fort San Pedro is a Spanish-era military fort in Cebu City, Philippines, known as one of the country’s oldest and smallest bastions of colonial defense.
-
B.
Fuerte de San Miguel
Fuerte de San Miguel is a historic Spanish colonial fort in Campeche, Mexico, built to defend the city from pirate attacks and now serving as a cultural and archaeological site.
-
C.
Santa Cruz Fort
Santa Cruz Fort is a historic coastal fortress overlooking the city of Oran in Algeria, known for its strategic hilltop position and panoramic views of the Mediterranean Sea.
-
D.
Fuerte de San José el Alto
Fuerte de San José el Alto is a historic coastal fortification in Campeche, Mexico, built during the colonial era to defend the city against pirate attacks and foreign invasions.
-
E.
Fort Santiago
Fort Santiago is a historic Spanish-era citadel in Manila, Philippines, renowned as a key military defense structure and as the prison where national hero José Rizal was held before his execution.
- 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: Fort San Sebastian Target entity description: Fort San Sebastian is a historic coastal fortress in present-day Ghana, built by the Portuguese in the 16th century and later used by European powers as part of the West African gold and slave trade.
-
A.
Fort San Pedro
Fort San Pedro is a Spanish-era military fort in Cebu City, Philippines, known as one of the country’s oldest and smallest bastions of colonial defense.
-
B.
Fuerte de San Miguel
Fuerte de San Miguel is a historic Spanish colonial fort in Campeche, Mexico, built to defend the city from pirate attacks and now serving as a cultural and archaeological site.
-
C.
Santa Cruz Fort
Santa Cruz Fort is a historic coastal fortress overlooking the city of Oran in Algeria, known for its strategic hilltop position and panoramic views of the Mediterranean Sea.
-
D.
Fuerte de San José el Alto
Fuerte de San José el Alto is a historic coastal fortification in Campeche, Mexico, built during the colonial era to defend the city against pirate attacks and foreign invasions.
-
E.
Fort Santiago
Fort Santiago is a historic Spanish-era citadel in Manila, Philippines, renowned as a key military defense structure and as the prison where national hero José Rizal was held before his execution.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal fort
ⓘ
fortress ⓘ historic site ⓘ |
| builder | Portuguese Empire ⓘ |
| builtBy | Portuguese ⓘ |
| builtInCentury | 16th century ⓘ |
| capturedBy |
British Empire
ⓘ
Dutch West India Company ⓘ |
| category |
British forts in Ghana
ⓘ
Dutch colonial forts in Ghana ⓘ Portuguese colonial architecture ⓘ |
| constructionEnd | 1526 ⓘ |
| constructionStart | 1520 ⓘ |
| continent | Africa ⓘ |
| controlledBy |
Dutch West India Company
ⓘ
Kingdom of Great Britain ⓘ Portuguese Empire ⓘ |
| country | Ghana ⓘ |
| currentUse |
historical monument
ⓘ
tourist attraction ⓘ |
| hasFeature |
bastions
ⓘ
courtyard ⓘ sea-facing walls ⓘ |
| heritageStatus | UNESCO World Heritage Site ⓘ |
| locatedIn |
Shama
ⓘ
Western Region, Ghana ⓘ
linked to:
Western Region (Ghana)
|
| locatedNear | Pra River ⓘ |
| locatedOn | Gulf of Guinea ⓘ |
| managedBy | Ghana Museums and Monuments Board ⓘ |
| material | stone ⓘ |
| namedAfter | Saint Sebastian ⓘ |
| nearbyCity |
Sekondi-Takoradi
ⓘ
linked to:
Takoradi
|
| originalName | São Sebastião ⓘ |
| ownership | Government of Ghana ⓘ |
| partOf |
Forts and Castles, Volta, Greater Accra, Central and Western Regions
ⓘ
West African gold trade ⓘ
linked to:
Trans-Saharan trade routes
West African slave trade ⓘ
linked to:
Atlantic slave trade
|
| region |
Gold Coast (historical)
ⓘ
linked to:
Gold Coast
|
| significance |
evidence of European colonial presence in West Africa
ⓘ
evidence of trans-Atlantic slave trade ⓘ |
| unescoCriteria | cultural ⓘ |
| unescoInscriptionYear | 1979 ⓘ |
| usedAs |
administrative center
ⓘ
slave prison ⓘ trading post ⓘ |
| usedFor |
gold trade
ⓘ
slave trade ⓘ |
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: Fort San Sebastian Description of subject: Fort San Sebastian is a historic coastal fortress in present-day Ghana, built by the Portuguese in the 16th century and later used by European powers as part of the West African gold and slave trade.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Forts and Castles, Volta, Greater Accra, Central and Western Regions
→
hasPart
→
Fort San Sebastian
ⓘ