Ilhéu de Ferro
E325820
Ilhéu de Ferro is a small uninhabited rocky islet off the coast of Porto Santo in the Madeira archipelago of Portugal, known for its rugged cliffs and seabird habitats.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ilhéu de Ferro canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3006102 — 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: Ilhéu de Ferro Context triple: [Porto Santo Island, hasNearbyIslets, Ilhéu de Ferro]
-
A.
Ilha da Armona
Ilha da Armona is a small barrier island in Portugal’s Algarve region, known for its sandy beaches, tranquil atmosphere, and access by ferry from the mainland fishing town of Olhão.
-
B.
Ilha de Faro
Ilha de Faro is a coastal barrier island in southern Portugal known for its sandy beaches, lagoon landscapes, and role as a popular seaside destination near the city of Faro.
-
C.
Isla
Isla is a Spanish surname historically associated with figures such as 18th-century naval officer Luis Vicente de Velasco e Isla.
-
D.
Barra Isles
The Barra Isles are a small archipelago in the Outer Hebrides of Scotland, centered on the island of Barra and known for their rugged landscapes, beaches, and Gaelic heritage.
-
E.
Indian Island
Indian Island is a small, historically significant island located within Humboldt Bay on the northern California coast.
- 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: Ilhéu de Ferro Target entity description: Ilhéu de Ferro is a small uninhabited rocky islet off the coast of Porto Santo in the Madeira archipelago of Portugal, known for its rugged cliffs and seabird habitats.
-
A.
Ilha da Armona
Ilha da Armona is a small barrier island in Portugal’s Algarve region, known for its sandy beaches, tranquil atmosphere, and access by ferry from the mainland fishing town of Olhão.
-
B.
Ilha de Faro
Ilha de Faro is a coastal barrier island in southern Portugal known for its sandy beaches, lagoon landscapes, and role as a popular seaside destination near the city of Faro.
-
C.
Isla
Isla is a Spanish surname historically associated with figures such as 18th-century naval officer Luis Vicente de Velasco e Isla.
-
D.
Barra Isles
The Barra Isles are a small archipelago in the Outer Hebrides of Scotland, centered on the island of Barra and known for their rugged landscapes, beaches, and Gaelic heritage.
-
E.
Indian Island
Indian Island is a small, historically significant island located within Humboldt Bay on the northern California coast.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
islet
ⓘ
uninhabited island ⓘ |
| archipelago | Madeira ⓘ |
| continent | Europe ⓘ |
| country | Portugal ⓘ |
| hasCharacteristic |
rocky
ⓘ
rugged cliffs ⓘ seabird habitat ⓘ uninhabited ⓘ |
| hasCliffs | true ⓘ |
| hasEcosystem |
coastal ecosystem
ⓘ
marine ecosystem ⓘ |
| hasPortugueseName | Ilhéu de Ferro ⓘ |
| hasWildlife | seabirds ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
Madeira archipelago ⓘ
linked to:
Madeira
Porto Santo ⓘ
linked to:
Porto Santo Island
|
| locatedOffCoastOf | Porto Santo Island ⓘ |
| nearbyIsland |
Porto Santo
ⓘ
linked to:
Porto Santo Island
|
| partOf |
Autonomous Region of Madeira
ⓘ
linked to:
Madeira
Porto Santo municipality ⓘ
linked to:
municipality of Porto Santo
|
| region | Macaronesia ⓘ |
| sovereignState | Portugal ⓘ |
| uninhabited | true ⓘ |
| usedFor | seabird nesting ⓘ |
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: Ilhéu de Ferro Description of subject: Ilhéu de Ferro is a small uninhabited rocky islet off the coast of Porto Santo in the Madeira archipelago of Portugal, known for its rugged cliffs and seabird habitats.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.