Fort of Cacela
E394664
Fort of Cacela is a historic coastal fortress in the Algarve region of southern Portugal, built to defend the shoreline and the nearby settlement of Cacela Velha.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Cacela Velha Fortress | 1 |
| Fort of Cacela canonical | 1 |
| Fortaleza de Cacela | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3875470 — 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 of Cacela Context triple: [Vila Nova de Cacela, hasHeritageSite, Fort of Cacela]
-
A.
San Pedro de la Roca Castle
San Pedro de la Roca Castle is a 17th-century Spanish coastal fortress near Santiago de Cuba, renowned for its well-preserved military architecture and strategic position overlooking the Caribbean Sea.
-
B.
Castro Marim Castle
Castro Marim Castle is a historic medieval fortress in Portugal’s Algarve region, notable for its strategic hilltop position near the Guadiana River and the Spanish border.
-
C.
Aragonese Castle
Aragonese Castle is a historic medieval fortress perched on a rocky islet off the coast of Ischia in the Bay of Naples, Italy, known for its dramatic views and centuries of strategic and cultural significance.
-
D.
Castillo de San Miguel
Castillo de San Miguel is a historic hilltop fortress in Almuñécar, Spain, known for its medieval architecture and coastal defensive role.
-
E.
La Cabaña Fortress
La Cabaña Fortress is a massive 18th-century Spanish colonial fortification in Havana, Cuba, historically used for military defense and later as a prison and cultural site.
- 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 of Cacela Target entity description: Fort of Cacela is a historic coastal fortress in the Algarve region of southern Portugal, built to defend the shoreline and the nearby settlement of Cacela Velha.
-
A.
San Pedro de la Roca Castle
San Pedro de la Roca Castle is a 17th-century Spanish coastal fortress near Santiago de Cuba, renowned for its well-preserved military architecture and strategic position overlooking the Caribbean Sea.
-
B.
Castro Marim Castle
Castro Marim Castle is a historic medieval fortress in Portugal’s Algarve region, notable for its strategic hilltop position near the Guadiana River and the Spanish border.
-
C.
Aragonese Castle
Aragonese Castle is a historic medieval fortress perched on a rocky islet off the coast of Ischia in the Bay of Naples, Italy, known for its dramatic views and centuries of strategic and cultural significance.
-
D.
Castillo de San Miguel
Castillo de San Miguel is a historic hilltop fortress in Almuñécar, Spain, known for its medieval architecture and coastal defensive role.
-
E.
La Cabaña Fortress
La Cabaña Fortress is a massive 18th-century Spanish colonial fortification in Havana, Cuba, historically used for military defense and later as a prison and cultural site.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
coastal fortification
ⓘ
fortress ⓘ military structure ⓘ |
| architecturalStyle | military architecture ⓘ |
| category |
Buildings and structures in Faro District
ⓘ
Coastal fortifications in Portugal ⓘ Forts in Portugal ⓘ |
| controlledBy | Portugal ⓘ |
| country | Portugal ⓘ |
| hasFeature |
bastions
ⓘ
curtain walls ⓘ gate with coat of arms ⓘ inner courtyard ⓘ sea-facing battery ⓘ |
| hasFunction |
defend shoreline
ⓘ
guard entrance to Ria Formosa lagoon ⓘ |
| hasView |
Atlantic coastline of Algarve
ⓘ
Ria Formosa Natural Park ⓘ
surface form:
Ria Formosa lagoon
|
| heritageDesignation | Imóvel de Interesse Público ⓘ |
| heritageStatus | Property of Public Interest ⓘ |
| locatedIn |
Algarve
ⓘ
Cacela Velha ⓘ southern Portugal ⓘ |
| locatedInDistrict | Faro District ⓘ |
| locatedInMunicipality | Vila Real de Santo António NERFINISHED ⓘ |
| locatedOn |
Atlantic Ocean
ⓘ
coastline of Algarve ⓘ |
| materialUsed |
masonry
ⓘ
stone ⓘ |
| near |
Cacela Velha Beach
ⓘ
surface form:
Cacela Velha beach
Ria Formosa Natural Park ⓘ Cacela Velha ⓘ
surface form:
village of Cacela Velha
|
| openToPublic | yes ⓘ |
| ownedBy |
Portuguese state
ⓘ
surface form:
Portuguese State
|
| partOf | defensive system of Algarve coast ⓘ |
| region | Iberian Peninsula ⓘ |
| significantEvent |
defense against piracy
ⓘ
defense against privateers ⓘ |
| significantPeriod | Early modern period ⓘ |
| tourismType |
cultural tourism
ⓘ
heritage tourism ⓘ |
| usedAs |
tourist attraction
ⓘ
viewpoint over Ria Formosa ⓘ |
| usedFor |
coastal defense
ⓘ
military surveillance ⓘ protection of Cacela Velha ⓘ |
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 of Cacela Description of subject: Fort of Cacela is a historic coastal fortress in the Algarve region of southern Portugal, built to defend the shoreline and the nearby settlement of Cacela Velha.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Vila Nova de Cacela
this entity surface form:
Cacela Velha Fortress
this entity surface form:
Fortaleza de Cacela