Osu Castle
E184823
Osu Castle is a historic coastal fort and former seat of government in Accra, Ghana, notable for its colonial-era architecture and role in the transatlantic slave trade.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Osu Castle canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1604634 — 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: Osu Castle Context triple: [Greater Accra Region, containsTouristAttraction, Osu Castle]
-
A.
Drakensteyn Castle
Drakensteyn Castle is a 17th-century moated country house in the Netherlands best known as the private residence of former Queen Beatrix.
-
B.
Kisimul Castle
Kisimul Castle is a medieval stronghold situated on a small rocky islet off the coast of Barra in Scotland’s Outer Hebrides, renowned as the historic seat of the Clan MacNeil.
-
C.
Valère Castle
Valère Castle is a historic fortified complex overlooking the town of Sion in the Swiss canton of Valais, notable for its medieval architecture and hilltop basilica.
-
D.
Shuri Castle
Shuri Castle is a historic Ryukyuan gusuku (castle) in Okinawa, Japan, that served as the political and cultural center of the Ryukyu Kingdom and is now a UNESCO World Heritage Site.
-
E.
Hermitage Castle
Hermitage Castle is a remote and imposing medieval stronghold in the Scottish Borders, historically significant for its strategic military role and turbulent associations with border conflicts and noble intrigue.
- 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: Osu Castle Target entity description: Osu Castle is a historic coastal fort and former seat of government in Accra, Ghana, notable for its colonial-era architecture and role in the transatlantic slave trade.
-
A.
Drakensteyn Castle
Drakensteyn Castle is a 17th-century moated country house in the Netherlands best known as the private residence of former Queen Beatrix.
-
B.
Kisimul Castle
Kisimul Castle is a medieval stronghold situated on a small rocky islet off the coast of Barra in Scotland’s Outer Hebrides, renowned as the historic seat of the Clan MacNeil.
-
C.
Valère Castle
Valère Castle is a historic fortified complex overlooking the town of Sion in the Swiss canton of Valais, notable for its medieval architecture and hilltop basilica.
-
D.
Shuri Castle
Shuri Castle is a historic Ryukyuan gusuku (castle) in Okinawa, Japan, that served as the political and cultural center of the Ryukyu Kingdom and is now a UNESCO World Heritage Site.
-
E.
Hermitage Castle
Hermitage Castle is a remote and imposing medieval stronghold in the Scottish Borders, historically significant for its strategic military role and turbulent associations with border conflicts and noble intrigue.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
former seat of government ⓘ fortress ⓘ historic site ⓘ |
| alsoKnownAs |
Christiansborg Castle (Osu Castle)
ⓘ
surface form:
Christianborg Castle
Fort Christiansborg ⓘ |
| architecturalStyle | colonial architecture ⓘ |
| category |
Buildings and structures in Accra
ⓘ
Castles in Ghana ⓘ Forts in Ghana ⓘ World Heritage Sites in Ghana ⓘ |
| city | Accra ⓘ |
| continent | Africa ⓘ |
| country | Ghana ⓘ |
| hasFeature |
administrative offices
ⓘ
battlements ⓘ cannon emplacements ⓘ chapel ⓘ courtyards ⓘ dungeons ⓘ residential quarters ⓘ sea-facing walls ⓘ |
| heritageDesignation |
National Monument of Ghana
ⓘ
Forts and Castles, Volta, Greater Accra, Central and Western Regions ⓘ
surface form:
UNESCO World Heritage Site (as part of Forts and Castles, Volta, Greater Accra, Central and Western Regions)
|
| historicalRole |
center of Danish colonial administration on the Gold Coast
ⓘ
key node in the transatlantic slave trade ⓘ |
| locatedIn |
Accra
ⓘ
Osu, Accra ⓘ |
| locatedInFormerEntity |
Gold Coast Colony
ⓘ
surface form:
Gold Coast colony
|
| locatedInTimeZone | Greenwich Mean Time ⓘ |
| locatedOn |
Atlantic Ocean coast
ⓘ
Gulf of Guinea ⓘ |
| materialUsed |
masonry
ⓘ
stone ⓘ |
| near |
Independence Square, Accra
ⓘ
Osu neighborhood ⓘ |
| openToPublic | partially ⓘ |
| ownedBy | Government of Ghana ⓘ |
| partOf | Forts and Castles, Volta, Greater Accra, Central and Western Regions ⓘ |
| region | Greater Accra Region ⓘ |
| significantEvent | served as seat of government of independent Ghana until relocation to Jubilee House ⓘ |
| significantPeriod |
British colonial period
ⓘ
Danish colonial period ⓘ |
| usedFor |
administrative center
ⓘ
governor's residence ⓘ presidential offices ⓘ seat of government of Ghana ⓘ slave trading post ⓘ trading post ⓘ |
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: Osu Castle Description of subject: Osu Castle is a historic coastal fort and former seat of government in Accra, Ghana, notable for its colonial-era architecture and role in the transatlantic slave trade.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.