Castelo de São João do Arade
E842890
Castelo de São João do Arade is a historic coastal fortification in Ferragudo, Portugal, built to defend the Arade River and now known for its picturesque setting overlooking the Algarve coastline.
All labels observed (3)
| Label | Occurrences |
|---|---|
| São João do Arade Castle | 2 |
| Castelo de São João do Arade canonical | 1 |
| Ferragudo castle (Castelo de São João do Arade) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10084022 — 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: Castelo de São João do Arade Context triple: [Ferragudo, hasLandmark, Castelo de São João do Arade]
-
A.
Castelo de Abrantes
Castelo de Abrantes is a medieval hilltop castle in the Portuguese town of Abrantes, historically important for its strategic position overlooking the Tagus River.
-
B.
Castelo de Castro Marim
Castelo de Castro Marim is a historic medieval fortress in the Algarve region of southern Portugal, overlooking the Guadiana River near the Spanish border.
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C.
Castelo de Vide
Castelo de Vide is a historic hilltop town in Portugal’s Alentejo region, known for its well-preserved medieval castle and Jewish quarter.
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D.
Portalegre Castle
Portalegre Castle is a historic medieval fortress in the city of Portalegre, Portugal, known for its well-preserved walls and role in regional defense.
-
E.
Guimarães Castle
Guimarães Castle is a medieval fortress in northern Portugal, renowned as a symbol of the nation’s origins and one of its most important historical monuments.
- 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: Castelo de São João do Arade Target entity description: Castelo de São João do Arade is a historic coastal fortification in Ferragudo, Portugal, built to defend the Arade River and now known for its picturesque setting overlooking the Algarve coastline.
-
A.
Castelo de Abrantes
Castelo de Abrantes is a medieval hilltop castle in the Portuguese town of Abrantes, historically important for its strategic position overlooking the Tagus River.
-
B.
Castelo de Castro Marim
Castelo de Castro Marim is a historic medieval fortress in the Algarve region of southern Portugal, overlooking the Guadiana River near the Spanish border.
-
C.
Castelo de Vide
Castelo de Vide is a historic hilltop town in Portugal’s Alentejo region, known for its well-preserved medieval castle and Jewish quarter.
-
D.
Portalegre Castle
Portalegre Castle is a historic medieval fortress in the city of Portalegre, Portugal, known for its well-preserved walls and role in regional defense.
-
E.
Guimarães Castle
Guimarães Castle is a medieval fortress in northern Portugal, renowned as a symbol of the nation’s origins and one of its most important historical monuments.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
coastal fortification ⓘ cultural heritage site ⓘ |
| country | Portugal ⓘ |
| currentUse |
private property
ⓘ
tourist attraction (exterior views) ⓘ |
| hasAlternativeName |
Castelo de Ferragudo
ⓘ
Forte de São João do Arade ⓘ |
| hasArchitecturalStyle | military architecture ⓘ |
| hasFunction |
coastal defense
ⓘ
river defense ⓘ |
| hasPart |
battlements
ⓘ
curtain walls ⓘ inner courtyard ⓘ watchtowers ⓘ |
| hasViewOf | Atlantic Ocean ⓘ |
| heritageDesignation | Imóvel de Interesse Público ⓘ |
| heritageDesignationCountry | Portugal ⓘ |
| isA |
Algarve coastal landmark
ⓘ
riverside fort ⓘ |
| isOn | right bank of the Arade River ⓘ |
| locatedIn |
Algarve
ⓘ
Faro District ⓘ Ferragudo ⓘ municipality of Lagoa ⓘ
linked to:
Municipality of Lagoa
southern Portugal ⓘ |
| locatedNear |
Portimão
ⓘ
Praia da Angrinha ⓘ mouth of the Arade River ⓘ |
| locatedOn | Arade River ⓘ |
| materialUsed |
masonry
ⓘ
stone ⓘ |
| nearbySettlement | village of Ferragudo ⓘ |
| notableFor |
historic defensive role on the Arade River
ⓘ
picturesque setting ⓘ views over the Algarve coastline ⓘ |
| overlooks |
Algarve coastline
ⓘ
linked to:
Algarve coastal strip
|
| region | Barlavento Algarvio ⓘ |
| tourismType |
cultural tourism
ⓘ
heritage tourism ⓘ |
| usedFor |
protection of Arade River access
ⓘ
surveillance of maritime traffic ⓘ |
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: Castelo de São João do Arade Description of subject: Castelo de São João do Arade is a historic coastal fortification in Ferragudo, Portugal, built to defend the Arade River and now known for its picturesque setting overlooking the Algarve coastline.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Castelo de São João do Arade
linked to: Castelo de São João do Arade
subject linked to:
Praia Grande
linked to: Castelo de São João do Arade