St Donat’s Castle
E122743
St Donat’s Castle is a historic medieval fortress on the South Wales coast, best known as the long-time residence of American newspaper magnate William Randolph Hearst and now home to the international boarding school Atlantic College.
All labels observed (3)
| Label | Occurrences |
|---|---|
| St Donat’s Castle canonical | 8 |
| St Donat's Castle | 4 |
| Grade I listed St Donat’s Castle | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T939524 — 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: St Donat’s Castle Context triple: [Vale of Glamorgan, containsLandmark, St Donat’s Castle]
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A.
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.
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B.
Tourbillon Castle
Tourbillon Castle is a medieval hilltop fortress overlooking Sion in the Swiss canton of Valais, known for its historic ruins and panoramic views of the Rhône valley.
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C.
Rothesay Castle
Rothesay Castle is a historic medieval stronghold on the Isle of Bute in Scotland, notable for its circular design and long association with Scottish royalty.
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D.
Cyfarthfa Castle
Cyfarthfa Castle is a 19th-century mock-Gothic mansion in Merthyr Tydfil, Wales, historically linked to the iron industry and now serving as a museum and public park.
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E.
Stormont Castle
Stormont Castle is a historic government building in Belfast that serves as the main administrative headquarters and meeting place for Northern Ireland’s executive leadership.
- 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: St Donat’s Castle Target entity description: St Donat’s Castle is a historic medieval fortress on the South Wales coast, best known as the long-time residence of American newspaper magnate William Randolph Hearst and now home to the international boarding school Atlantic College.
-
A.
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.
-
B.
Tourbillon Castle
Tourbillon Castle is a medieval hilltop fortress overlooking Sion in the Swiss canton of Valais, known for its historic ruins and panoramic views of the Rhône valley.
-
C.
Rothesay Castle
Rothesay Castle is a historic medieval stronghold on the Isle of Bute in Scotland, notable for its circular design and long association with Scottish royalty.
-
D.
Cyfarthfa Castle
Cyfarthfa Castle is a 19th-century mock-Gothic mansion in Merthyr Tydfil, Wales, historically linked to the iron industry and now serving as a museum and public park.
-
E.
Stormont Castle
Stormont Castle is a historic government building in Belfast that serves as the main administrative headquarters and meeting place for Northern Ireland’s executive leadership.
- F. None of above. chosen
Statements (48)
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: St Donat’s Castle Description of subject: St Donat’s Castle is a historic medieval fortress on the South Wales coast, best known as the long-time residence of American newspaper magnate William Randolph Hearst and now home to the international boarding school Atlantic College.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: St Donat’s Castle
linked to: St Donat’s Castle
linked to: St Donat’s Castle
subject linked to:
Great Hall
linked to: St Donat’s Castle
linked to: St Donat’s Castle